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an ISO 9001:2008 Registered Company1964 ½-66 Ford MustangEvaporator Kit(554164)18865 Goll St. San Antonio, TX 78266Phone: 210-654-7171Fax: 210-654-3113www.vintageair.com904163 REV G 02/02/21, PG 1 OF 29
www.vintageair.comTable of ContentsThank you for purchasing this evaporator kit from Vintage Air. When installing thesecomponents as part of a complete SureFit system, Vintage Air recommends workingfrom front to back on the vehicle, installing the condenser kit, hose kit, and compressorfirst, followed by the wiring, evaporator, and finally the control panel.Cover. 1Table of Contents. 2Packing List/Parts Disclaimer. 3Information Page. 4Wiring Notice. 5Engine Compartment Disassembly, Condenser Assembly and Installation, Compressor andBrackets. 6Passenger Compartment Disassembly. 7Defrost Duct and Fresh Air Cap Installation. 8Passenger Side Evaporator Rear Bracket Template Instructions, Driver Side Evaporator RearBracket Template Instructions. 9Firewall Cover Installation. 10Evaporator Installation. 11Drain Hose Installation, Lubricating O-rings, A/C Hose Installation. 12Heater Hose & Heater Control Valve Installation. 13Driver Side A/C and Heater Hose Routing. 14Passenger Side A/C and Heater Hose Routing. 15Center Louver Installation (without Center Console), Center Louver Installation (with CenterConsole). 16Driver & Passenger Side Under Dash Louver Installation. 17Final Steps. 18Control Panel & Duct Hose Routing. 19Evaporator Hardline Installation. 20Wiring Diagram. 21Gen IV Wiring Connection Instruction. 22Operation of Controls. 23Troubleshooting Guide. 24Troubleshooting Guide (Cont.). 25Passenger Side Evaporator Rear Bracket Template. 26Driver Side Evaporator Rear Bracket Template. 27Center Console Modification Template. 28Packing List. 292904163 REV G 02/02/21, PG 2 OF 29
Packing List:Evaporator Kit (554164)www.vintageair.comNo.1.2.Qty.11Part No.744004-VUE781066DescriptionGen IV 4-Vent Evaporator Sub CaseAccessory Kit** Before beginning installation, open all packages and check contents of shipment.Please report any shortages directly to Vintage Air within 15 days. After 15 days,Vintage Air will not be responsible for missing or damaged items.1Gen IV 4-Vent EvaporatorSub Case744004-VUE2Accessory Kit781066NOTE: Images may not depict actual parts and quantities.Refer to packing list for actual parts and quantities.3904163 REV G 02/02/21, PG 3 OF 29
www.vintageair.comImportant Notice—Please ReadFor Maximum System Performance, Vintage Air Recommends the Following:NOTE: Vintage Air systems are designed to operate with R134a refrigerant only.Use of any other refrigerant could damage your A/C system and/or vehicle, andpossibly cause a fire, in addition to potentially voiding the warranties of the A/Csystem and its components.Refrigerant Capacities:Vintage Air System: 1.8 lbs. (28.8 oz.) or 816 grams of R134a, charged by weight with a quality chargingstation or scale. NOTE: Use of the proper type and amount of refrigerant is critical to systemoperation and performance.Other Systems: Consult manufacturer’s guidelines.Lubricant Capacities:New Vintage Air-Supplied Sanden Compressor: No additional oil needed (Compressor is shipped withproper oil charge).All Other Compressors: Consult manufacturer (Some compressors are shipped dry and will need oiladded).Safety SwitchesYour Vintage Air system is equipped with a binary pressure safety switch. A binary switch disengages thecompressor clutch in cases of extreme low pressure conditions (refrigerant loss) or excessively high headpressure (406 PSI) to prevent compressor damage or hose rupture. A trinary switch combines Hi/Lopressure protection with an electric fan operation signal at 254 PSI, and should be substituted for use withelectric fans. Compressor safety switches are extremely important since an A/C system relies on refrigerantto circulate lubricant.Service Info:Protect Your Investment: Prior to assembly, it is critical that the compressor, evaporator, A/C hoses andfittings, hardlines, condenser and receiver/drier remain capped. Removing caps prior to assembly will allowmoisture, insects and debris into the components, possibly leading to reduced performance and/orpremature failure of your A/C system. This is especially important with the receiver/drier.Additionally, when caps are removed for assembly, BE CAREFUL! Some components are shipped underpressure with dry nitrogen.Evacuate the System for 35-45 Minutes: Ensure that system components (Drier, compressor, evaporatorand condenser) are at a temperature of at least 85 F. On a cool day, the components can be heated with aheat gun or by running the engine with the heater on before evacuating. Leak check and charge tospecifications.Bolts Passing Through Cowl and/or Firewall:To ensure a watertight seal between the passenger compartment and the vehicle exterior, for all boltspassing through the cowl and/or firewall, Vintage Air recommends coating the threads with silicone prior toinstallation.Heater Hose (not included with this kit):Heater hose may be purchased from Vintage Air (Part#31800-VUD) or your local parts retailer. Routing andrequired length will vary based on installer preference.4904163 REV G 02/02/21, PG 4 OF 29
www.vintageair.comImportant Wiring Notice—Please ReadSome vehicles may have had some or all of their radio interference capacitors removed.There should be a capacitor found at each of the following locations:1. On the positive terminal of the ignition coil.2. If there is a generator, on the armature terminal of the generator.3. If there is a generator, on the battery terminal of the voltage regulator.Most alternators have a capacitor installed internally to eliminate what is called “whining” asthe engine is revved. If whining is heard in the radio, or just to be extra cautious, a radiointerference capacitor can be added to the battery terminal of the alternator.It is also important that the battery lead is in good shape and that the ground leads are notcompromised. There should be a heavy ground from the battery to the engine block, andadditional grounds to the body and chassis.If these precautions are not observed, it is possible for voltage spikes to be present on thebattery leads. These spikes come from ignition systems and charging systems, and fromswitching some of the vehicle’s other systems on and off. Modern computer-operatedequipment can be sensitive to voltage spikes on the power leads, which can cause unexpectedresets, strange behavior and/or permanent damage.Vintage Air strives to harden our products against these types of electrical noise, but there isa point where a vehicle’s electrical system can be degraded so much that nothing can help.Radio interference capacitors should be available at most auto and truck parts suppliers. Theytypically are cylindrical in shape, a little over an inch long and a little over a half-inch indiameter, and they have a single lead coming from one end of the cylinder with a terminal onthe end of the wire, as well as a mounting clip which is screwed into a good ground on thevehicle. The specific value of the capacitance is not too significant in comparison to ignitioncapacitors that are matched with the coil to reduce pitting of the points. Care must be taken, when installing the compressor lead, not to short it to ground.The compressor lead must not be connected to a condenser fan or to any otherauxiliary device. Shorting to ground or connecting to a condenser fan or any otherauxiliary device may damage wiring or the compressor relay, and/or cause amalfunction. When installing ground leads on Gen IV systems, the blower control ground and ECUground must be connected directly to the negative battery post. For proper system operation, the heater control valve must be connected to theECU.5904163 REV G 02/02/21, PG 5 OF 29
www.vintageair.comEngine Compartment DisassemblyNOTE: Before starting the installation, check the function of the vehicle (horn, lights, etc.) for properoperation, and study the instructions, illustrations, & diagrams.Perform the Following:1. Disconnect battery.2. Remove battery (retain).3. Drain radiator.4. Remove radiator (retain).5. Evacuate the A/C system if necessary.6. Remove the OEM condenser and drier (discard) (See Figure 1, below).7. Remove the OEM compressor and bracket (discard) (See Figure 1, below).8. Remove the OEM heater & A/C hoses (discard) (See Figure 1, below).Compressorand BracketRadiatorA/C HosesCondenserDrierFigure 1Condenser Assembly and Installation1. Refer to separate instructions included with the condenser kit to install the condenser.2. Binary switch installation (Refer to condenser instructions).Compressor and Brackets1. Refer to separate instructions included with the bracket kit to install the compressor bracket.6904163 REV G 02/02/21, PG 6 OF 29
Passenger CompartmentDisassemblywww.vintageair.comPerform the Following:1. Remove the glove box door (retain) (See Figure 2, below).2. Remove the glove box (discard).3. Remove the center console (if equipped).4. Remove the under dash A/C evaporator (if equipped) (See Figure 2, below).5. Remove the OEM heater assembly (discard) (See Figure 2a, below).6. Remove the driver side fresh air assembly and cable (discard) (See Figure 2a, below).7. Remove the OEM control panel assembly (retain) (See Figure 2a, below). NOTE: Refer to control panelconversion kit instructions for installation of controls.8. Remove the radio (retain).9. Remove the speaker grille (retain) (See Figure 2a, below).10. Remove the OEM defrost ducts and all related ducting (See Figure 2a, below).Under DashA/C EvaporatorGlove BoxDoorFigure 2SpeakerGrilleDefrost DuctsandRelated DuctingDriver SideFresh Air AssemblyControlPanelFigure 2a7OEM HeaterAssembly904163 REV G 02/02/21, PG 7 OF 29
Defrost Duct andFresh Air Cap Installationwww.vintageair.com1. Install the defrost ducts into the dash using the OEM mounting clips (See Figure 3, below).2. Reinstall the speaker grille (See Figure 3, below).3. Hold the fresh air cap under the dash, and mark the (3) mounting holes (passenger side only).4. Drill (3) 1/8” mounting holes under the dash (passenger side only) (See Figure 3, below).5. Apply a 1/4” bead of silicone around the mating surface of the passenger side fresh air cap (See Figure 3,below).6. Secure the passenger side fresh air cap to the fresh air hole using (3) #10 x 1/2” sheet metal screws asshown in Figure 3, below.7. Apply a 1/4” bead of silicone around the mating surface of the driver side fresh air cap (See Figure 3, below).8. Install the driver side fresh air cap using (3) OEM nuts as shown in Figure 3, below.SpeakerGrilleDefrostDucts(3) Drill 1/8”HolesPassengerSideDriverSideFigure 3Silicone(3) OEMNutsSilicone(3) #10 x 1/2”Sheet MetalScrewsFresh AirCap62354-VFEFresh AirCap62354-VFE8904163 REV G 02/02/21, PG 8 OF 29
www.vintageair.comPassenger Side EvaporatorRear Bracket Template Instructions1. Cut out passenger side evaporator rear bracket template on Page 26.2. Align the template with the (4) OEM holes as shown in Figure 4, below. Drill a 9/32” hole as indicated on thetemplate.DRILL9/32”HOLEEngineCompartmentSide of Firewall(4) OEMHOLES64-66PASS MUSTANGEVAP ENGERSIDREARBRAC ETEMPKLATE ETFigure 4Driver Side EvaporatorRear Bracket Template Instructions1. Cut out the driver side evaporator rear bracket template on Page 27.2. Align the template with the OEM heater outlet holes as shown in Figure 5, below. Drill a 9/32” hole asindicated on the template.”9/32DRILL LEHOPassengerCompartmentSide of FirewallRHEATEOEM UTLETSEOHOSGSTAN P6 MUA64-6 SIDE EVRETEIVKDRBRACREAR PLATETEMFigure 59904163 REV G 02/02/21, PG 9 OF 29
Firewall Cover Installationwww.vintageair.com1. Install (3) grommets onto the firewall cover as shown in Figure 5, below.2. Apply a 1/4” bead of silicone around the mating surface of the firewall cover as shown in Figure 6a, below.3. Secure the firewall cover to the firewall using (4) 1/4-20 x 1” hex bolts, flat washers and nuts (See Figure 6,below). NOTE: Firewall cover installs from inside passenger side compartment.SiliconeFigure 6aFirewallCover642062(4) 1/4” Nutswith Star WashersOEM Blower MotorHole in FirewallGrommet33137-VUIOEM HeaterCore HolesGrommet33144-VUI(4) 1/4-20 x 1”Hex Boltsand Flat Washers(4) OEMBlower MotorMounting HolesPassengerCompartmentSide of Firewall(4) 1/4” FlatWashersGrommet33135-VUIFigure 610904163 REV G 02/02/21, PG 10 OF 29
Evaporator Installationwww.vintageair.comNOTE: To ensure a watertight seal between the passenger compartment and the vehicle exterior, forall bolts passing through the firewall, Vintage Air recommends coating the threads with silicone priorto installation.1. On a workbench, install the evaporator rear brackets and hardlines with properly lubricated O-rings (SeeFigure 9, Page 12, and Figure 19, Page 20).2. Install the front mounting bracket onto the evaporator using (2) 1/4-20 x 1/2” hex bolts, and tighten asshown in Figure 7, below.3. Lift the evaporator unit up under the dashboard. Secure loosely to the firewall from the engine compartmentside using (2) 1/4-20 nuts and washers (See Figure 7a, below). NOTE: To ensure proper drainage, it isvery important that the evaporator is level, both left-right and fore-aft. Check for level on the flatportions of the case around the drain.4. Using the front evaporator bracket as a guide, mark and drill (2) 3/16” holes in the cowl (See Figure 7b,below).5. Using (2) #14 x 3/4” sheet metal screws, secure the front evaporator mounting bracket to the inner cowl(See Figure 7b, below).6. Verify that the evaporator unit is level and square to the dash; then tighten all mounting bolts. NOTE:Tighten the bolt on the firewall first. Then tighten the front mounting bracket sheet metal screws.Front EvaporatorBracket643169-FCBFigure 7(2) 1/4-20 x 1/2”Hex BoltsPassenger SideEvaporatorMounting HoleOEM HeaterCore Holes(2) 1/4-20 Nutsand Flat WashersDrill(2) 3/16”HolesDriver SideEvaporatorMounting HolePassengerCompartmentSide of FirewallInnerCowlFigure 7bFigure 7a11(2) #14 x 3/4”Sheet MetalScrews904163 REV G 02/02/21, PG 11 OF 29
Drain Hose Installationwww.vintageair.com1. Locate the evaporator drain on the bottom of the evaporator case.2. In line with the drain, lightly make a mark on the firewall. Then, measure 1” down and drill a 5/8” holethrough the firewall (See Figure 8, below).3. Install the drain hose onto the evaporator drain on the bottom of the unit, and route it through the firewall.4. Install a 1/2” 90 drain elbow onto the drain hose (See Figure 8, below).1/2” DrainElbowFigure 81”MaleO-ring InsertDrainHoseDrainLubricating O-ringsFemale Nut#6 O-ring#8 O-ring#10 O-ringFor a proper seal of fittings: Install suppliedO-rings as shown and lubricate with suppliedoil.Figure 9Figure ##O-ringSupplied Oilfor O-ringsNOTE: Standard torque specifications:#6: 11 to 13 ft-lb.#8: 15 to 20 ft-lb.#10: 21 to 27 ft-lb.O-ring InstallsOver Male Insertto Swaged LipTwist WithThis WrenchHold WithThis WrenchA/C Hose InstallationStandard Hose Kit:1. Locate the #8 compressor A/C hose. Lubricate (2) #8 O-rings (See Figure 9, above) and connect the 45 fitting to the #8 discharge port on the compressor. Then route the straight female fitting with service port tothe #8 condenser hardline coming through the radiator core support (See Figure 11, Page 14). Tighten eachfitting connection as shown in Figure 9, above.2. Locate the #10 compressor A/C hose. Lubricate (2) #10 O-rings (See Figure 9, above) and connect the 90 female fitting with service port to the #10 suction port on the compressor. Then route the 90 female fittingto the #10 evaporator hardline coming through the firewall (See Figure 10, Page 13, & Figure 11, Page 14).Tighten each fitting connection as shown in Figure 9, above. Wrap the #10 fitting connections with press tape(See Figure 10, Page 13).3. Locate the #6 evaporator/drier hose. Lubricate (2) #6 O-rings (See Figure 9, above) and connect the straightfemale fitting to the #6 drier hardline coming through the radiator core support. Then route the 90 femalefitting to the #6 evaporator hardline coming through the firewall (See Figure 10, Page 13). Tighten eachfitting connection as shown in Figure 9, above.4. Use (6) tie wraps to secure the #6 A/C hose to the brace as shown in Figure 11, Page 14.Modified Hose Kit:1. Refer to separate instructions included with modified hose kit.12904163 REV G 02/02/21, PG 12 OF 29
www.vintageair.comHeater Hose& Heater Control Valve Installation1. Route a piece of heater hose from the water pump to the lower heater line coming through the firewall asshown in Figure 10, below. Secure using hose clamps.2. Route a piece of heater hose from the intake to the upper heater line coming through the firewall as shownin Figure 10, below. NOTE: Install the heater control valve in line with the intake manifold (pressureside) heater hose, and secure using hose clamps. Also note proper flow direction.ECUModulePressTapeFirewall#10 Hardline(Insulated)NOTE: Flow Direction FollowsMolded Arrow on Valve.FROMHTO TR CHE NTRATER L VLVFROTOExpansionValveO-ringsFirewall Cover642062#10 A/CHoseMWA HETE ATERPRUMPHeaterHoseFROMA M INNI TAKFOLD E#6 A/CHoseFigure 1013904163 REV G 02/02/21, PG 13 OF 29
14904163 REV G 02/02/21, PG 14 OF 29Heater Hose(Heater Core/Water Pump)www.vintageair.comHeater Hose(Heater ControlValve/Intake)CoreSupport(6) TieWrapsFigure 11OutInCompressorSafety Switch(Binary Type)Screw-on Drier(Refer to CondenserInstructions)#6 Condenser/Drier Hardline08164-PFL#6 Drier/Core SupportHardline081095#8 Condenser/Core SupportHardline081063InnerFenderwell#6 A/C Hose086069#8 A/C Hose086068#10 A/C Hose086067NOTE: Vintage Air Systems use 5/8” heater connections. On engines equippedwith 3/4” hose nipples, these will need to be removed and replaced with 5/8”nipples (not supplied). For water pumps with a cast-in 3/4” heater outlet, a 3/4”x 5/8” reducer fitting (not supplied) will need to be installed in the heater hose.Driver SideA/C and Heater Hose Routing
15904163 REV G 02/02/21, PG 15 OF 29#6 AdelClamp#10 AdelClampHeater Hose(Heater ControlValve/Intake)#6 Condenser/CoreHardline081059#6 Condenser/DrierA/C Hose086063CompressorSafety Switch(Binary Type)Screw-on Drier(Refer to CondenserInstructions)Heater Hose(Heater Core/Water Pump)#6 A/C Hose086064www.vintageair.com(6) TieWrapsFigure 12#8 A/C Hose086059#10 A/C Hose086060InnerFenderwellNOTE: Vintage Air Systems use 5/8” heater connections. On enginesequipped with 3/4” hose nipples, these will need to be removed andreplaced with 5/8” nipples (not supplied). For water pumps with a cast-in3/4” heater outlet, a 3/4” x 5/8” reducer fitting (not supplied) will need tobe installed in the heater hose.Passenger SideA/C and Heater Hose Routing
Center Louver Installation(without Center Console)www.vintageair.com1. Mount the center louver bezel under the dash using (2) #8 x 1/2” pan head screws as shown in Figure 13,below.2. Install the louvers into the center louver bezel as shown in Figure 13, below.Center LouverBezel62347-VFE(2) Louvers49056-VULFigure 13(2) #8 x 1/2”Pan HeadScrewsCenter Louver Installation(with Center Console)1. Mount the driver and passenger side center louver bezels under the dash using (4) #8 x 1/2” pan headscrews as shown in Figure 14, below.2. Install the louvers into the center louver bezels as shown in Figure 14, below.Driver SideCenter LouverBezel62361-VFE(2) Louvers49056-VUL(4) #8 x 1/2”Pan HeadScrewsPassenger SideCenter LouverBezel62360-VFEFigure 1416904163 REV G 02/02/21, PG 16 OF 29
Driver & Passenger SideUnder Dash Louver Installationwww.vintageair.com1. Mount the driver and passenger side louver housings under the dash using (2) #8 x 1/2” pan head screws asshown in Figure 15, below.2. Install the louvers into the driver and passenger side louver housings as shown in Figure 15, below.LouverHousingHousing(2) #8 x 1/2”Pan HeadScrewsAdapterLouverFigure 15LouverHousingHousingAdapter(2) #8 x 1/2”Pan HeadScrewsLouver17904163 REV G 02/02/21, PG 17 OF 29
Final Stepswww.vintageair.com1. Install duct hoses as shown in Figure 18, Page 19.2. Route A/C wires (12 volt/grounds/binary switch/heater valve) through 3/8” grommet as shown in Figure 16,below.3. Install the control panel assembly. NOTE: Controls must be calibrated for proper operation. Refer tocontrol panel instructions.4. Plug the wiring harnesses into the ECU module on the sub case. Wire according to the wiring diagrams onPages 21 and 22.5. Install the new glove box.6. Reinstall the glove box door.7. Using the template provided on Page 28, modify the center console as shown in Figure 17, below.8. Reinstall all previously removed items.9. Fill radiator with at least a 50/50 mixture of approved antifreeze and distilled water. It is the owner’sresponsibility to keep the freeze protection at the proper level for the climate in which the vehicle is operated.Failure to follow antifreeze recommendations will cause heater core to corrode prematurely and possibly burstin A/C mode and/or freezing weather, voiding your warranty.10. Double check all fittings, brackets and belts for tightness.11. Vintage Air recommends that all A/C systems be serviced by a licensed automotive A/C technician.12. Evacuate the system for a minimum of 45 minutes prior to charging, and perform a leak check prior toservicing.13. Charge the system to the capacities stated on Page 4 of this instruction manual.14. See Operation of Controls procedures on Page 23.NOTE: Use the templatefor both sides, and thencut across.64-66 MUSTANGCENTER onsole Lamp(If Equipped)3/8” GrommetFigure 16Console Cap626669Figure 1718(2) #8 x 1/2”Pan HeadScrews904163 REV G 02/02/21, PG 18 OF 29
Control Panel & Duct Hose Routingwww.vintageair.comNOTE: While looking through the glove boxand speaker holes, turn the wipers onand check for clearance through the fullrange of motion.Passenger SideDefrost Duct2” x 12”Driver SideDefrost Duct2” x 18”Driver SideLouver2 ½” x 36”Figure XPlug FromControlWiring Harness232002-VUAPassenger SideLouver2 ½” x 36”Plug FromWiring Harness232600-VUAFigure 18Driver SideCenter Louver2 ½” x 16”Passenger SideCenter Louver2 ½” x 18”19904163 REV G 02/02/21, PG 19 OF 29
20904163 REV G 02/02/21, PG 20 OF 29#10 Hardline081065Press Tapewww.vintageair.comFigure 19#6 O-ring#10 O-ring(2) 1/4-20 x 1/2”Hex Bolts(Located onSub Case)1/4-20 x 1”Hex Bolt(2) #10 O-ringsDriver SideEvaporatorRear Bracket642061#6 Hardline081064Passenger SideEvaporatorRear Bracket641272ECUModuleNOTE: After installing the#10 hardline, wrap all exposedmetal (fittings & tubes) insidepassenger compartment withthe supplied press tape.Heater Line(Evaporator toWater Pump)081067Heater Line(Evaporatorto Intake)0810661/4” Push NutBracketEvaporator Hardline Installation
Wiring REDWHT/REDWHT/YELWHT/GRNAC ANNUNCIATORBACKLIGHT POSBACKLIGHT NEGGND5V-SWTEMP WIPERMODE WIPERFAN WIPERPRE-WIREDVIEWED FROM WIRE SIDE232002-VUAA/C(IF USED)GEN IV ECUGEN IV WIRING DIAGRAMREV E, 10/6/2017TEMPMODEFANPROGRAM* DASH LAMP(IF USED)*** WIDE OPENTHROTTLESWITCH(OPTIONAL)** CIRCUITBREAKER30 AMPHEATERCONTROL VALVE* Dash lamp is used only with type 232007-VUR harness.** Warning: Always mount circuit breaker as close to the battery as possible. (NOTE: Wire betweenbattery and circuit breaker is unprotected and should be carefully routed to avoid a shortcircuit).*** Wide open throttle switch contacts close only at full throttle, which disables A/Ccompressor.21904163 REV G 02/02/21, PG 21 OF 29
Gen IV WiringConnection :MOUNT RELAYIN DESIREDLOCATIONUNDER DASHREDWHITEIgnition Switch:VIOLETViolet 12V ignition switch source (key onaccessory) position must be switched. 12VNOTE:WIRING YELLOW & ORANGE (IGNITION HOTHARNESS COMING FROMTERMINAL)HARNESS ARE NOTUSED.YELLOWRUNBATIGNITIONSWITCHORANGETANDASH BACK LIGHT 0-12vGRAYGRAY WIRE IS USED FORPROGRAMING CONTROLSIF APPLICABLEREDGREENREDGREENFIREWALLBLACK BLUEHeater Control Valve:REDLATCHWIRINGHARNESSWHITECHASSIS GROUNDNOTE: HEATER CONTROLVALVE CONNECTION ANDCHASSIS GROUND MAY BELOCATED ON EITHER SIDEOF THE FIREWALL. ENSURECONNECTOR IS LATCHEDFIRMLY.HEATERCONTROL VALVEKBLACBLUECOMPRESSORWHITENOTE: CONNECT WHITEWIRES DIRECTLY TO(-) BATTERY TERMINALWHITEREDREDCIRCUIT BREAKER30 AMPInstall with servo motor facing down,as shown. Note flow direction arrowmolded into valve body and installaccordingly.Binary/Trinary & Compressor:Binary: Connect as shown (typicalcompressor wiring). Be surecompressor body is grounded.BINARYSAFETYSWITCHBLUEDash Light:When using a Vintage Air-suppliedcontrol panel, connect the tan wirefrom the Gen IV evaporator wiringharness to the factory dash lights toenable panel backlighting.Circuit Breaker/Battery:White must run to (-) battery. Red mayrun to ( ) battery or starter. Mountcircuit breaker as close to battery aspossible.REDWARNING:ALWAYS MOUNT CIRCUIT BREAKERAS CLOSE TO THE BATTERY AS POSSIBLE.(NOTE: WIRE BETWEEN BATTERY ANDCIRCUIT BREAKER IS UNPROTECTEDAND SHOULD BE CAREFULLY ROUTEDTO AVOID A SHORT CIRCUIT). Trinary Switch: Connect according totrinary switch wiring diagram.-BATTERY22904163 REV G 02/02/21, PG 22 OF 29
Operation of Controlswww.vintageair.comOn Gen IV systems with three lever/knob controls, the temperature control toggles between heat and A/Coperations. To activate A/C, move the temperature lever/knob all the way to cold and then back it off to the desiredvent temperature. For heat operation, move the temperature lever/knob all the way to hot and then adjust to thedesired vent temperature. The blower will momentarily change speed, each time you toggle between operations, toindicate the change. NOTE: For proper control panel function, refer to control panel instructions forcalibration procedure.Blower SpeedThis lever/knob controlsblower speed, fromOFF to HI.Mode ControlThis lever/knob controlsthe mode positions,from DASH to FLOORto DEFROST, with ablend in between.ThermostatLeverTemperature ControlThis lever/knob controlsthe temperature,from HOT to COLD.BlowerSpeedOEM BlowerSwitch Not UsedHEATTEMPDEFTEMPDEFModeLeverA/C OperationBlower SpeedAdjust to desiredspeed.Mode ControlAdjust to desiredmode position(DASH positionrecommended).Temperature ControlFor A/C operation, adjust tocoldest position to engagecompressor (Adjust betweenHOT and COLD to reachdesired temperature).HEATHeat OperationBlower SpeedAdjust to desiredspeed.Mode ControlAdjust to desiredmode position(FLOOR positionrecommended).Temperature ControlFor maximum heating, adjustto hottest position (Adjustbetween HOT and COLD toreach desired temperature).DEFHEATTEMPDefrost/De-fog OperationBlower SpeedAdjust to desiredspeed.Temperature ControlAdjust to desiredtemperature.Mode ControlAdjust to DEFROST position for maximum defrost, orbetween FLOOR and DEFROST positions for a bi-levelblend (Compressor is automatically engaged).23TEMPHEATDEF904163 REV G 02/02/21, PG 23 OF 29
24904163 REV G 02/02/21, PG 24 OF 29SymptomCompressor willnot turn off(All other functionswork).3.Compressor willnot turn on(All other functionswork).2.Blower stays o
1964 ½-66 Ford Mustang Evaporator Kit (554164) 18865 Goll St. San Antonio, TX 78266 Phone: 210-654-7171 Fax: 210-654-3113 www.vintageair.com 904163 REV G 02/02/21, PG 1 OF 29. 2 www.vintageair.com 904163 REV G 02/02/21, PG 2 OF 29 Thank you for purchasing this evaporator kit from Vintage Air. When installing these
