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1987 dodge d150 360 4 speed mt
02-19-2012, 12:07 AM
Post: #1
1987 dodge d150 360 4 speed mt
my gauges wont work the light work but thats it have tryed 3 different ones all do the same anyone know what to look for to fix
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02-19-2012, 09:26 PM
Post: #2
RE: 1987 dodge d150 360 4 speed mt
Which gauges are they? Have you checked all of the fuses with a test light?
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03-03-2012, 01:10 PM
Post: #3
RE: 1987 dodge d150 360 4 speed mt
(02-19-2012 09:26 PM)Rupe Wrote:  Which gauges are they? Have you checked all of the fuses with a test light?

its all the gauges in the cluster and all the fuses have power with a test light and they have power to cluster when the truck is running no gauges work at all they all stay in the middel
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03-03-2012, 05:41 PM
Post: #4
RE: 1987 dodge d150 360 4 speed mt
Whatever the issue is it's likely common to all of them and not a power problem so I'd be looking at grounds or a broken tracer on the circuit board on the back of the dash cluster itself as my first guess. The biggest pain here is it's a 25 year old truck so prone to all the foibles of old age.

Just as a pointer, any time I have an electrical issue that doesn't make sense I start from scratch, which is why I said to check the fuses. You have swapped out another set of gauges so that probably eliminates those. Next I would check to see if the PC is good on the back of the cluster. (as above) After that I would follow the harness and look for any damage along with seeing if there is a proper circuit all the way to the end. (at the sending units) While looking at the wiring double check for any signs of previous repair, such as after body work. Old non factory repairs usually don't hold up well. Also look for any ground wires that come out of the harness and go to the chassis, which may be rusty. There's going to be at least one under the dash and likely another under the hood, plus another back by the fuel tank.

Let us know how you make out.
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