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905460 REV D 01/12/17, PG 24 OF 28

RED

CIRCUIT BREAKER

30 AMP

+

+

-

BLAC

K

RED

WHI

TE

RED

 CHASSIS GROUND 

 A/C

COMPRESSOR 

RELAY

Ignition Switch:

Dash Light:

 

NOTE:

 

MOUNT RELAY

IN DESIRED 

LOCATION

UNDER DASH

 GREEN

 FIREWALL

BLUE

BLUE

RED 

WHITE

VIOLET

(IGNITION HOT

TERMINAL)

IGNITION 

SWITCH

DASH BACK LIGHT+0-12v

TAN

GRAY

BLUE

WHITE

WHITE

RED
RED

 WHITE

COMPRESSOR

BATTERY

NOTE:

 

CONNECT WHITE

WIRES DIRECTLY TO 

(-) BATTERY TERMINAL

BAT

RUN

12V

RED

 GREEN

RED

RED

BLUE

LATCH

BLACK

BINARY

SAFETY

SWITCH

YELLOW

ORANGE

WIRING 

HARNESS

Violet 12V Ign Switch Source (Key On 

Accessory) Position Must Be Switched. 

Tan Wire Used Only With Vintage Air 

Supplied Control Panel With LED Back 

Light.

Binary: Connect As Shown (Typical 

Compressor Wiring). Be Sure 

Compressor Body Is Grounded. 

Trinary Switch: Connect According To 

Trinary Switch Wiring Diagram.

Install With Servo Motor Facing Down, 

As Shown. Note Flow Direction Arrow 

Molded Into Valve Body, And Install 

Accordingly.

White

 

Must 

Run To (-) Battery. Red May 

Run To (+) Battery Or Starter. Mount 

Circuit Breaker As Close to Battery As 

Possible.

Heater Control Valve:

Binary/Trinary & Compressor:

Circuit Breaker/Battery:

CONTROL 

WIRING 

HARNESS

NOTE: 

YELLOW & ORANGE 

COMING FROM 

HARNESS ARE NOT 

USED. 

WIRING 

HARNESS

GRAY WIRE IS USED FOR 

PROGRAMING CONTROLS 

IF APPLICABLE

WIRING 

HARNESS

                Gen IV Wiring 

Connection Instruction

HEATER

CONTROL VALVE

WARNING: 

ALWAYS MOUNT CIRCUIT BREAKER 

AS CLOSE TO THE BATTERY AS POSSIBLE. 

(NOTE: WIRE BETWEEN BATTERY AND 

CIRCUIT BREAKER IS UNPROTECTED 

AND SHOULD BE CAREFULLY ROUTED 

TO AVOID A SHORT CIRCUIT).

NOTE: HEATER CONTROL 

VALVE CONNECTION AND 

CHASSIS GROUND MAY BE 

LOCATED ON EITHER SIDE 

OF THE FIREWALL. ENSURE

CONNECTOR IS LATCHED 

FIRMLY.

Содержание 754561

Страница 1: ...ISO 9001 2008 Registered Company 1947 49 Chevrolet Pickup Evaporator Kit 754561 18865 Goll St San Antonio TX 78266 Phone 210 654 7171 Fax 210 654 3113 www vintageair com 905460 REV D 01 12 17 PG 1 OF...

Страница 2: ...ll Bracket and Heater Hose Fitting Installation Lubricating O rings A C Heater Hose Installation A C Heater Hose Installation Cont Firewall Cover Installation Evaporator Installation Evaporator Instal...

Страница 3: ...ickup 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 responsibl...

Страница 4: ...system This is especially important with the receiver drier Additionally when caps are removed for assembly BE CAREFUL Some components are shipped under pressure with dry nitrogen Evacuate the System...

Страница 5: ...sensitive to voltage spikes on the power leads which can cause unexpected resets strange behavior and or permanent damage Vintage Air strives to harden our products against these types of electrical n...

Страница 6: ...Remove glove box door retain Remove glove box discard but retain OEM screws Disconnect all wires and cables from OEM control panel discard Disconnect all wires and cables from OEM heater control knobs...

Страница 7: ...frost Duct Installation 1 2 Using 2 6 x 3 8 pan head screws attach 18 inches of 2 duct hose to the passenger side defrost duct Attach the remainder of the duct hose to the driver side defrost duct Ins...

Страница 8: ...side the engine compartment as shown in Photo 9 below Next direct the straight end of the hose to the hole on the firewall Using a permanent marker make a mark on the side of the fitting that faces th...

Страница 9: ...Photo 13 below Install the upper heater hose fitting to water pump onto the evaporator with a properly lubricated O ring See Photo 14 Figure 1 below Firewall Bracket and Heater Hose Fitting Installat...

Страница 10: ...tos 15 16 below and Figure 1 Page 9 Using a properly lubricated O ring connect the 90 fitting on the 10 A C hose to the 10 suction port on the evaporator Direct the hose down and under the blower and...

Страница 11: ...ewall Cover Installation 1 2 3 From the engine compartment temporarily secure the firewall cover to the firewall using 2 1 4 20 x 3 4 bolts 2 flat washers and 2 nuts with star washers See Photo 21 bel...

Страница 12: ...install the bolt through the firewall cover and into the weld nut on the evaporator bracket NOTE Clear away the insulation from the bolt holes on the firewall See Photo 24 below Temporarily install a...

Страница 13: ...8 below With the evaporator attached to the firewall hold the evaporator cowl brace bracket up to the cowl and evaporator to locate the approximate location of the 7 32 hole to be drilled from the top...

Страница 14: ...them into the louver bezel as shown below Tie wrap the wires to the rotary pots as shown below Blower Speed Mode Control Temperature Control Front View 3 Rotary Pot Knobs 3 Washers Louver Bezel Temper...

Страница 15: ...edrilled holes on the louver bezel with the 2 OEM mounting holes under the dash C Secure the control panel louver bezel assembly under the dash using 2 10 32 x 3 4 pan head screws 4 3 16 flat washers...

Страница 16: ...er bezel Attach the dash bracket to the dash through all drilled holes using a 10 32 x 1 pan head screw 2 3 16 flat washers and a 10 32 nut with star washer See Photo 35 below NOTE Install this screw...

Страница 17: ...e firewall cut the heater hose located at the 12 o clock position 6 from the firewall Slide a hose clamp over the hose coming out of the firewall push the valve onto the hose and tighten the clamp Con...

Страница 18: ...a properly lubricated O ring connect the straight fitting on the 8 A C hose to the 8 hardline from the condenser Connect the 135 fitting to the compressor See Photo 43 below and Figure 1 Page 9 Connec...

Страница 19: ...ressor Cut the hose to the proper length and connect the hose to the compressor fitting Mark the fitting and hose to ensure proper positioning and remove the fitting from the compressor Crimp the fitt...

Страница 20: ...es over the ECU Duct hoses may sweat and drip onto into the ECU causing a malfunction Passenger Side Defrost Duct 2 x 18 Plug From Control Wiring Harness 232002 VUA Plug From Wiring Harness 232001 VUR...

Страница 21: ...ger compartment Using 2 10 32 x 3 4 pan head screws and 2 10 32 nuts mount the circuit breaker near the battery See Photos 47 48 49 below Using the OEM glove box screws install the glove box provided...

Страница 22: ...on manual See Operation of Controls procedures on Page 25 Locate the evaporator drain on the bottom of the evaporator case In line with the drain drill a 5 8 hole through the floor where it meets the...

Страница 23: ...VUR 232002 VUA CIRCUIT BREAKER 30 AMP WIDE OPEN THROTTLE SWITCH OPTIONAL DASH LAMP IF USED Dash Lamp Is Used Only With Type 232007 VUR Harness Warning Always Mount Circuit Breaker As Close to the Bat...

Страница 24: ...ressor Body Is Grounded Trinary Switch Connect According To Trinary Switch Wiring Diagram Install With Servo Motor Facing Down As Shown Note Flow Direction Arrow Molded Into Valve Body And Install Acc...

Страница 25: ...en back it off to the desired vent temperature For heat operation move the temperature lever knob all the way to hot and then adjust to the desired vent temperature The blower will momentarily change...

Страница 26: ...be hot If the ground side of the blower is shorted to chassis ground the blower will run on HI Replace BSC This will require removal of evaporator from vehicle No other part replacements should be ne...

Страница 27: ...ion No mode change at all Check for damaged mode switch or potentiometer and associated wiring Partial function of mode doors Typically caused by evaporator housing installed in a bind in the vehicle...

Страница 28: ...VUE 799002 Description Gen IV Evaporator Sub Case 4 Vent w 204 ECU Accessory Kit 1947 49 Chevrolet Pickup NOTE Images may not depict actual parts and quantities Refer to packing list for actual parts...

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