Question about 1983 Cadillac DeVille
Check the front and rear turn signals on the left. If both are just as bright as the right turn signals, then the dim bulb is isolated just to the dash. Possibly someone replaced the bulb at one time with the wrong rated bulb. A steady dim bulb doesn't sound like a loose ground. It would probably be going in and out or flickering, and just that one side would not have a separate ground. High resistance in a wire (like broken strands)or a connection could cut the current and cause a dim bulb. If the whole left side is dim, both the dash and the signaling bulbs, start looking for high resistance in that side of the circuit. To thoroughly check it out, probably need a volt meter
Posted on Oct 17, 2013
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Posted on Jan 02, 2017
the problem is caused by a defective gas gauge sending unit, this part is located inside the gas tank, you must remove the gas tank to replace it.
Posted on Dec 02, 2009
The turn signal switch is most likely the problem,but change the flasher for the turn signals first,some times this is all that it is.
Posted on Jun 11, 2010
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