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It appears I have a short in my taillight circuit somewhere...
Howdy Bill,
I want to make sure we are using the same terminology. A short produces a blown fuse. An open prevents operation of a circuit without a blown fuse. Are you blowing a fuse?
Do you have a wiring diagram? If you need one, go to volvoamazonpictures.se and follow the document links to get the Green Book for the Electrical System.
What year is the car? Wagon, sedan, or GT? There are slight differences between them. Nothing major and nothing you can't figure out with a generalized diagram.
The driver's side rear 6 pin block carries four wires to the front 6 pin block. The colors on the drawing I am looking at are red, white, green and blue. A fifth wire, grey (backup lights) leaves the rear 6 pin block and goes through a single connector midway to the reversing relay. The only other wire on most models is the fuel gauge, black wire. Some of the newer models have another black wire intended for the mercury switch used on the trunk light. Those are all the wires running into the trunk.
Be aware that a wire that made the entire trip to the trunk as a blue wire changes color to green in the passenger side 6 pin connector. There are only four positions used on the passenger side connector and that is the only color change from one side of a connector to another that I've found anywhere in the car. That had me a bit bewildered when I found that on my car; I thought someone had incorrectly wired the connector until I checked the wiring diagram. I reckon that change is made to conform to a DIN standard?
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Mr. Shannon DeWolfe -- I've taken to using mister because my name misleads folks on the WWW. I am a 52 year old fat man. ;-)
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