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Well, after I took the vette out for a drive, and parked it in my driveway, and it failed to restart when I tried a few minutes later. I have one of those starter solenoid relocators, which has gotten stuck before, but I checked and that is not the problem. I thought it may be the starter, but I just put a new one in today, and no dice. That's when I busted out the voltmeter. I have 12.65 volts across the battery poles, 12.34 volts on the input side of the remote solenoid and 11.5 volts across the solenoid. The only problem is, when I turn the key to the start position, I am reading 9.06 volts across the starter. I am assuming this is not enough to turn over the starter. There is something like a 4 guage power wire coming off the remote solenoid to the power terminal of the starter, so I'm assuming I'm not really gonna be losing 2.5 volts through there. Does this sound like the starter is not grounding well? Should 9 volts make the starter move? Thanks
First, IF you bought a rebuilt starter then I certainly would not trust it to be good just because it is new. Rebuilt stuff has a habbit of not working. I would make sure the cables are good and clean and then try from a known fully charged battery first. What is the amp draw?
ok, here's the update.. I got the starter to work, I just messed up a connection. Problem is, the starter is engaging, and it sounds like it is trying to move the flywheel, but it can't. Should the flywheel be able to move just by hand, because I was not able to turn it when I was under the car. I have the battery charging right now, so I will go try again soon, but I am at a loss for what is going on...
You might have to shim the starter if its A rebuilt housing. On the rebuilt units they shave the mounting surfice flat. Then you need shim it to make up for the removed surface. Also make sure you have a very clean surface when you remount your starter. This is where the starter has to get its ground without using a wire. If you have A dirty surface then you'll have problems loosing power when trying to start it.
it is a rebuilt, but so was the previous one, and the old one didn't have any shims on it, and it was starting ok until yesterday. I guess I should try some shims, but it sounds like it is engaging the flywheel... I will go look later.
Sounds like you may have a weak battery. And no you shouldn't be able to turn the flywheel/flexplate easily by hand unless you have it out of gear and you have all of the spark plugs out of the engine. Then it won't be extremely easy.