Weird Instrument Panel
#1
Weird Instrument Panel
1991 T10 Blazer 4.3L
On way to work this morning the instrument panel went black/dark/dead along with the radio. Truck was still running fine with all outside lights. When this happened both signal indicators glowed green and the Hi Beam indicator was on. Also I noticed that when it came back on that none of the gauges were working while off.
Once I beat on the dash and everything returned to normal.
Another time I pulled over and revved the engine and it returned to normal.
The last time I blinked my headlights and it returned to normal and stayed normal.
I figure its a loose wire or ground. Does anyone know a good place to start looking?
Does anyone know where the ground for the instrument panel is?
Thanks
On way to work this morning the instrument panel went black/dark/dead along with the radio. Truck was still running fine with all outside lights. When this happened both signal indicators glowed green and the Hi Beam indicator was on. Also I noticed that when it came back on that none of the gauges were working while off.
Once I beat on the dash and everything returned to normal.
Another time I pulled over and revved the engine and it returned to normal.
The last time I blinked my headlights and it returned to normal and stayed normal.
I figure its a loose wire or ground. Does anyone know a good place to start looking?
Does anyone know where the ground for the instrument panel is?
Thanks
#2
RE: Weird Instrument Panel
Just in case anyone has this problem. I figured this one out myself. The rotating varible resistor that brightens the dash cluster lights and also turns on the dome/courtesy lights which is a seperate circuit was shorting out bringing these two circuits together. I do not know why it did not blow a fuse. It should have. Anyway I replaced that switch and it is fixed. Thanks to me.
#3
RE: Weird Instrument Panel
Sounds like the answer to my problem on WIERD SHORT OR BATTERY DRAIN. I'll try what you did and get back with you. Mine is a '86 S10 Blazer Tahoe with the same short as you mentioned. I also noticed my instrument panel flickers when I change gears (automatic transmission).
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