Questions & Answers for: GMC Envoy circuit ground

...ground circuit is open AIR pump solenoid supply (12v) circuit is open or shorted to ground AIR pump solenoid ground circuit is open AIR pump relay coil control circuit is open AIR pump relay coil ...

...circuit , when the a/c is switched.Also it is possible that the GROUND connection to the battery and also the POSITIVE terminal also can be LOOSE. remove both the terminals and tighten, if crusted ...

...talking about three different circuits, the only common thing is the ground circuit. I would check that on both sides as well as power at the lamp sockets. Could be a problem somewhere in the

...pipe emissions on start-up. The Powertrain Control Module (PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control ...

...circuit/short to positive---wiring short to ground---ground wire defective---ECT sensor.. The temp gauge works off a temperature sender unit separate to the coolant sensor and if it is reading 100 ...

ground or control circuit to the park lamp relay coil circuit. When the park lamps are turned on, the BCM energizes the park lamp relay. Current flow is from the park lamp relay to the individual park

...circuit dead at fuse 17 in fuse block. One side reads as grounded, vehicle starts, runs, will not rev over 1500 rpm 1 side of the fuse is ground. Ck emissions, clogged exhaust, throttle positioning ...

...ground, see the fuses, not only check the fuses, check the fuse circuit for voltage. Use a test light. Some fuse circuits are hot all the time, some go hot with the key on. Also, check the ground, ...

...ground. The LGM controls rear wiper motor operation through the rear wiper motor control circuit. The rear wiper motor control circuit is supplied a battery positive reference voltage by the rear ...

...ground path on the TCC solenoid valve control circuit. The PCM monitors the throttle position sensor voltage, the vehicle speed, and other inputs in order to determine when to energize the TCC ...