One of the last cars I worked on had an issue just like yours. It was the starter, I pulled the starter off the trans, then ran a ground. Turned the key nothing. Tested the power, and trigger. 12v tested the solenoid intermittent. So I hooked back up and it cranked but it was not enough to start it, was like a dead battery. So I jumped it, cranked stronger, and fired up. But wouldn't start on its own.
So I just rebuilt the started with a refurbished unit from autozone. It cranks strong and fires every time now, I even got it to crank and fire with 10.9v down to 9v that's retarded!
BTW, I did clean the brushes but with the solenoid being bad I had to rebuild it, as it was intermittent at best.
Sent from my Highly Tuned Note 4.5!
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LoverTechnologies "Half Broken Things!"
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