Question about 1991 Oldsmobile Cutlass Calais

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Locating the ground wire for shift Solinoid

I have found that the shift solenoid is under the transmission oil pan, but am wondering is that where the ground wire for it is as well?

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  • scott227 May 28, 2009

    Would that wire be on the outside of the transmission or the inside?
    thanks a lot for your help


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  • Oldsmobile Master
  • 6,982 Answers

If the solenoid you are looking at only has one wire, then it is grounded by the case itself (like your starter) If for some reason the case has a poor ground, check that engine has good clean solid ground (you can add extra ground as well).

Posted on May 28, 2009

  • Richard Scordino May 28, 2009

    Your engine is grounded directly to the battery,,,the transmission is metal and is extremely well connected to the engine and is therefore grounded as well. If you have a good ground at the engine, the transmission is well grounded too. I used your starter as an example...you only have hot wires connected to it because it, like the transmission, is solidly connected to the engine, and therefore shares its ground.

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michael_cass_182.jpg
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michael_cass_183.jpgHope this helps you ??

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