Question about 1997 Mercury Grand Marquis
I needed to change the battery cable ends at the battery and decided to replace the entire cable; pos and gnd. I cut the old cables near the valve cover and ran the new cable to the starter, and grounding at a starter mounting bolt. Now none of the interior lights, the instrument cluster or door lock or window switches operate. The engine starts and I can drive it just don't know how fast I am going and don't know how much fuel is in the tank. None of the warning lights illuminate either. The only dash light I have is for ABS. What did I do?
You have bypassed the underhood fuse boxes power supply from the battery. Use factor battery cables routed correctly DON'T "ROOT OBERG IT"
Posted on Apr 26, 2013
Testimonial: "I hooked the smaller wires to the fuse panel as it was before. All that changed was the ground cable itself. I was unsure of where it went (although now I know it went to the engine block) and I attached it to a starter mounting bolt. Aside from that the hook-up is identical. this is what has me scratching my head."
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Posted on Jan 02, 2017
SOURCE: 1994 mercury topaz starts and
this sure sounds like the computer is no good as i read above you have replaced it but new parts can be bad too i think you should take the computer back and get a different one maybe they gave you the wrong one or you just got another bad one hope this helps you have a great day
Posted on Aug 21, 2011
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