Good evening all, Happy 4th!! Anhyway, Have been having a problem starting my '72 LS-5 Automatic for a while. A while back the car just didn't start one day. The battery was 6 years old and tested marginal, and the starter that was in the car has been in there for the 17 years I've owned it and it was of unknown origin. I had bought a rebuilt correct starter a while back so I put it in and put a new battery in. I figured that that would solve the problem.
Once installed it started but not reliably. After messing with it, I found that if I jumped from the battery cable connection on the starter to the start terminal it would quickly, without hesitation engage and turn the engine over. While checking I found that I only had 8 volts at the start terminal on the starter when cranking. After messing with it for a while it seemed OK so I let it be. Took a couple of rides and all seemed OK.
Last week I went for a run, when cold it started just fine. No issues. Had lunch after an hour of driving and after sitting when I tried to start it and the solenoid chattered but the engine did start. Off I went and let it be, that was a mistake.
Today Basically the same scenario, drove an hour, had lunch and went to start the car. Nothing... So... I let it rest a while with the hood open to let it cool. After about 45 min. it reluctantly started but with the same chattering as the last time. Got home, all is OK
Here's what I'm thnking. From the ignition switch to the starter there are no splices or additional connections to the start terminal from the ignition switch according to the wiring diagrams I have. So what do you think, Ignition switch???
Thanks!!
Once installed it started but not reliably. After messing with it, I found that if I jumped from the battery cable connection on the starter to the start terminal it would quickly, without hesitation engage and turn the engine over. While checking I found that I only had 8 volts at the start terminal on the starter when cranking. After messing with it for a while it seemed OK so I let it be. Took a couple of rides and all seemed OK.
Last week I went for a run, when cold it started just fine. No issues. Had lunch after an hour of driving and after sitting when I tried to start it and the solenoid chattered but the engine did start. Off I went and let it be, that was a mistake.
Today Basically the same scenario, drove an hour, had lunch and went to start the car. Nothing... So... I let it rest a while with the hood open to let it cool. After about 45 min. it reluctantly started but with the same chattering as the last time. Got home, all is OK
Here's what I'm thnking. From the ignition switch to the starter there are no splices or additional connections to the start terminal from the ignition switch according to the wiring diagrams I have. So what do you think, Ignition switch???
Thanks!!
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