20
901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 20 OF 25
RED
CIRCUIT BREAKER
30 AMP
+
+
-
BLAC
K
RED
WHI
TE
RED
CHASSIS
GROUND
HEATER
CONTROL
VALVE
A/C
COMPRESSOR
RELAY
HEATER
CONTROL
VALVE RELAY
Ignition Switch:
Dash Light:
NOTE:
MOUNT RELAYS
IN DESIRED
LOCATION
UNDER DASH
GREEN
FIREWALL
BLUE
BLUE
RED
&
WHITE
VIOLET
(IGNITION HOT
TERMINAL)
IGNITION
SWITCH
DASH BACK LIGHT+0-12v
TAN
GRAY
GREEN
RED
BLUE
WHITE
WHITE
WARNING:
ALWAYS MOUNT CIRCUIT
BREAKER UNDER THE HOOD
IN THE ENGINE COMPARTMENT
AND AS CLOSE TO THE
BATTERY AS POSSIBLE
RED
RED
WHITE
COMPRESSOR
BATTERY
NOTE:
CONNECT WHITE
WIRES DIRECTLY TO
(-) BATTERY TERMINAL
CONNECT
CONNECT
CONNECT
CONNECT
CONNECT
CONNECT
BAT
RUN
12V
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.
Relay:
Green Wire Is Heater Control Valve.
Blue Wire Is A/C Compressor.
Binary: Connect As Shown (Typical
Compressor Wiring). Be Sure
Compressor Body Is Grounded.
Trinary Switch: Connect According to
Trinary Switch Wiring Diagram.
Install Solenoid Pointing Down. Normal
To Get Very Hot During Operation. White
Ground Wire (Not Part of Harness)
Supplied in Kit. Normally Open Valve
Must Be Connected for Proper System
Operation.
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
