2009 GMC Sierra 1500 "replace high low light switch" Questions

...high or low work, then when they come on with the dimmer switch being turned down inside, there is no high beam or low beam, just one. 10a fuses were good for low i would try replacing headlight ...

...high beams? could this be a fuse, bulbs out or bad switch? the dash lights and tail lights work just fine whenever the switch is turn all the way on. Most likely the switch. If the fuse were bad, the ...

...high beams for a couple of morning; then they went out. checked relay not the problem. did not look like the fuses were bad. I would suspect the light switch is bad, can you hear the relay click when ...

...and missing? Idle surges high and low, almost dies when taking off "light or heavy throttle". Any ideas please.. with out a doutb its the o2 sensors. replace them and all codes will go

LOW. I HAVE CHANGED THE CONTROL MODULE, AND PUT A NEW TRANNY IN. WHEN I SHUT THE KEY OFF I HEAR THE RELAYS CLICKING IN THE CONTROL MODULE AND THE MOTOR ON THE TRANSFER CASE MOVING LIKE IT IS SEARCHING

...high beam lamps is supplied via CKT 524 and CKT 525 to the dimmer switch. The dimmer switch uses CKT 1850 for a ground to G203. Some circuits are monitored by the BCM, and upon failure may set a DTC. ...

...High pressure cutout switches and still does not come back on. After the truck sits awhile, turn it on and the ac will work again. Sounds like a restriction in the orifice tube, allowing the coolant ...

...high signal voltage which it interprets as a cold engine. As the sensor warms (internal resistance low), the ECM monitors a low signal voltage which it interprets as warm engine. Fig. 1: View of the ...

...high and low no low beam just high beam if I hold the signal switch back as far as I can.. Just wondering if this is a common problem daytime running lights work. Thanks larry its the light switch ...

...flicker also click it to high beam headlights and dash lights go out now the high beam switch is backwards low is high and high is low Replace the turn signal switch. all exterior lights run threw