Electrical problems

Tiny
GREGSWORKS
  • MEMBER
  • 1991 CADILLAC STS
  • 150,000 MILES
1991 cadillac---electrical-- instrument cluster does not light up--i have no gauges--trunk does not open--no heater no door lights when open-antenna wont go up
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Sunday, June 10th, 2012 AT 9:19 PM

14 Replies

Tiny
SATURNTECH9
  • EXPERT
Have you checked all the fuses yet?Do you have a multimeter meter to do some testing?
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Sunday, June 10th, 2012 AT 9:27 PM
Tiny
GREGSWORKS
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No credit card fixed income
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Sunday, June 10th, 2012 AT 11:21 PM
Tiny
GREGSWORKS
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Checked fuses no tester
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Sunday, June 10th, 2012 AT 11:23 PM
Tiny
GREGSWORKS
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Everything worked before I put headgaskets on
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Sunday, June 10th, 2012 AT 11:30 PM
Tiny
SATURNTECH9
  • EXPERT
Your going to need a multimeter to test the circuits.I would start by going over all the work that was done to replace the head gaskets. Sounds like maybe a ground wire was left off.
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Monday, June 11th, 2012 AT 12:37 AM
Tiny
CADIEMAN
  • MEMBER
If you smell something burning it is the head.U need to remove the info panel. When u disconnect the info panal and the head comes on. Replace the info panel if not replace the speedo head its fryed.
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Tuesday, June 12th, 2012 AT 9:03 PM
Tiny
SATURNTECH9
  • EXPERT
So will that also fix the door lights antenna trunk release etc?He said it all started after replacing the head gaskets?
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Tuesday, June 12th, 2012 AT 9:56 PM
Tiny
GREGSWORKS
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Checked fuse links all ok---i heard theres ground wires in trunk? Can't get into trunk
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Wednesday, June 13th, 2012 AT 8:47 AM
Tiny
SATURNTECH9
  • EXPERT
I would be looking for loose wires/grounds etc under the hood where you did the head gaskets. If everything worked before the head gaskets were replaced then something was left undone or pinched. Did you check all the fuses for power to both sides of them?
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Wednesday, June 13th, 2012 AT 2:05 PM
Tiny
CADIEMAN
  • MEMBER
I know all the answers im disabled now. Did u unplug the info panel yet? Your goin to at leat a test light or we cant go on. They are cheap just make sure it has a bulb so we can check voltages. These are common problems for a cadie.
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Thursday, June 14th, 2012 AT 5:02 PM
Tiny
GREGSWORKS
  • MEMBER
What is info panel? Ive been through the wire over & over the only ground ive found was on the back of engine on the passenger side through the wheel well. All other wires plug together cant plug
those wrongmy wife said the dash has black out before I did work on it. And I do have test light to check wires four power, all fuse links have power on both sides. And im 58 years old been workin on motorcycles & cars pretty long--front wheel drive suck--give me 60s-with the engine in the right way with 4 wires lol thanks so far
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Thursday, June 14th, 2012 AT 10:05 PM
Tiny
CADIEMAN
  • MEMBER
Its the a/c panel. If u remove the lower dash panels youll see a black and a white connecter to the panel u can unplug them. If u cant remove them youll have to remove the dic. To see if the speedo lites. The ant. Has a broken ant. Mast assy. Try to pull it up and down. Check to see if its unpluged. The trunk is a broken drive gear or a faulty pulldown switch. The inside lights work off a photo cell in the center of the dash under the defroster grid. It pops in and out. Ty for using 2carpros
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Friday, June 15th, 2012 AT 6:14 PM
Tiny
GREGSWORKS
  • MEMBER
I unplugged info panel----no speedo lites--checked power to info panel--it has power goin to it?
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Sunday, June 24th, 2012 AT 3:31 PM
Tiny
CADIEMAN
  • MEMBER
Then your gonna need remanufactured speedo head
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Sunday, June 24th, 2012 AT 10:42 PM

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