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1995 Mercury Grand Marquis windshield wiper and blower motor just stop working at same time. I have checked all the fuses. What can I do.

  • The two circuits do share a ground in the right kick panel, but a lot of other circuits ground at that point as well. You really need to do some testing at the components in question and post your findings. – Ben Oct 23 '17 at 22:06
  • Thank you so so much Ben. You have made my day. I pulled off the kick panel and sure enough ground wire there was loose. Thanks again. – Burnett Oct 24 '17 at 17:59
  • Great! Don’t forget to answer your question and mark it as answered. – Ben Oct 24 '17 at 18:21
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As with all things, correlation doesn't necessarily imply causation. Though in this instance it seems to be the case. Looking at a wiring diagram the two components don't share a power source unless you go higher up the tree. But then you'd have more than two components failing. Maybe they were and went unnoticed. They do share a ground however, G200 in the right kick panel.

Since both components are inoperative and sometimes come back to life on their own. You can infer (Knowing that they share a ground.) that the ground point is likely the source of your troubles. The easiest way to check the ground would be to perform a visual inspection. Luckily you need only to remove the right kick panel to access it. If you tested for ground at the wiper module or at the blower motor resistor. You would probably find that you had a partial ground or open circuit.

  • Yes, the ground screw was loose under the right kick panel as Ben referred to. – Burnett Oct 26 '17 at 4:40
  • @Burnett - If this answers your question, please select it as the answer and possibly give it an uptick if you feel so inclined. – Pᴀᴜʟsᴛᴇʀ2 Nov 27 '17 at 15:25
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Welcome to the site. This sounds like you have an electrical short somewhere.

According to the owner's manual, those two circuits use separate fuses. So, it is not likely going to be a fuse issue.

You are going to have to trace wires and find where it is damaged. Unfortunately, there isn't enough information here for us to be able to give you a definitive answer.

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