Question about Cars & Trucks
Most vehicles will run with the battery disconnected with the exception of the renaults so check the voltage across the battery and with engine running it should show 14.7 volts but i do feel that in this case youre alternator isnt any good and i would advise you to return it and let the spares shop have it checked out for you ,I always fit a bosch recon unit from the bosch place as i have found that a lot of so called recon units are not a lot of good ,yes i know i pay more for a bosch unit from the bosch agents but at least i never get come backs.Now i know that iam capable of repairing some units myself and i often do but the problem is a lot of the newer units need a special jig to get them apart and back together again like the AC delco units and often when i do take the brush pack out i find the commutator is worn out and this is no chance of repairing with the tools at my disposal so its a new unit iam afraid to say .
Posted on Feb 11, 2012
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Posted on Jan 02, 2017
look for a fuse under the hood check owner manual but it would be in a black plastic box and should be labled or may be a fuselink
Posted on Mar 27, 2009
Have you checked the alternator fuse? The regulator needs power from the fuse to turn on the alternator. The old alternator could have blown the fuse.
Posted on Apr 02, 2009
Something is obviously putting a drain on the battery, if all the things you had checked are good. If you disconnect the negative terminal on the battery touch it back, it should spark a little, but not alot. If it sparks quite a bit you know something is staying on that shouldn't. Possibly a glove box light, or if your truck has a light under the hood the mercury switch in it may have gone bad causing it to stay on. If it's taking 8 days to go dead you'll be looking for something small. I hope this helps.
Posted on May 10, 2009
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