Monte Carlo V8-305 5.0L VIN H 4-bbl (1983)
relay which has two sets of contacts. Control of the relay is by the ECM which completes a ground to energize the solenoid. When energized, idle is
increased only if A/C is "ON". When de-energized throttle opening is increased regardless of A/C position.
1.
Checks for normal operation of solenoid. With key "ON" engine not running solenoid plunger should extend.
2.
Checks for normal solenoid plunger retraction if "test" terminal is grounded.
