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901189 REV D 02/02/17, INST 55-59 CHEV P-UP w/ STANDARD CONTROLS EVAP KIT PG 17 OF 24
Final Steps
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Install the duct hoses as shown in Figure 19, Page 18.
Route the A/C wires (12 volt/ground/binary switch/heater valve) through the 3/8” grommet as shown in
Figure 17, below.
Install the control panel assembly. Refer to the control panel instructions.
Plug the wiring harnesses into the ECU module on the sub case as shown in Figure 19, Page 18 (Wire
according to wiring diagrams on Pages 19 and 20).
Install the new glove box using (5) OEM screws (See Figure 18, below).
Install the glove box door.
NOTE: The glove box door opening and capacity will be very limited with
the Gen IV system.
Reinstall all previously removed items.
Fill radiator with at least a 50/50 mixture of approved antifreeze and distilled water. It is the owner’s
responsibility 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 burst
in A/C mode and/or freezing weather, voiding your warranty.
Double check all fittings, brackets and belts for tightness.
Vintage Air recommends that all A/C systems be serviced by a certified automotive air conditioning technician.
Evacuate the system for a minimum of 45 minutes prior to charging, and perform a leak check prior to
servicing.
Charge the system to the capacities stated on Page 4 of this instruction manual.
See Operation of Controls procedures on Page 21.
Figure 17
Grommet
33144-VUI
Glove Box
624980
(5) OEM
Screws
Figure 18
Wiring Harness
(12 Volt/Ground/Binary Switch)
Wiring Harness
(Heater Control Valve)
