Question about 2002 Mercury Grand Marquis

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The power seats, power locks, Truck pop and Gas Tank pop all do not work. I've traced a few wires and found the breaker under the hood tying all those together. It seems there is a broken wire somewhere. However, the one wire coming off the breaker is a black white, All of these other devices or at least most have a black and white wire tied into them. THis makes me thing there is a distribution block that the single black white coming to the breaker is tied into and at the distribution block it splits and the same wire goes where it needs too. My issue is I don't know where this block is but I can't seem to trace it with any success. Can Anyone help?

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Is the breaker hot on both sides?With the ign. key on?
Check for wires spliced into the possitive battery cable,are the connections good?Corrosion? Loose or Broken! Routed close to the Battery? Are any unprotected?Bare ect? the wires going to the trunk may not be the same color! Look for a connector block in the door pannel drivers side, near the other switches.
Take some time and look at a wiring diagram,from a repair manual,you may get access to one at your local library,and they may make a copy of the one page you need! If you cant review the wireing it gets to be a guessing game,and creates a lot of extra work! You can see where wires go by the color of the wires,esp to the trunk lock!

Posted on Sep 06, 2010

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