saxon_schmauderer
Enthusiast
- Joined
- Feb 1, 2014
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Ok, so last thing to figure out before this beast (2006 Dodge Viper) is back on the road where it belongs. I just finished my rebuild on the engine and the last thing not working is the re-charging of the battery. This week I replaced both the battery and the alternator. I had the alternator verified off of the car using AutoZone's alternator checking equipment/tester, and it passes all of the tests, HOWEVER my battery does not charge while the motor is on. It is almost as if the alternator cannot keep up with the motor.
I know the alternator gets its signal to charge the battery from the pCM. As far as I can tell THAT is what the issue is. The voltage measured on the output of the alternator while installed was less than a volt and it should be in the mid 14's.
I checked all of my cables and fuses and everything checks out. If I cannot figure this out I am going to have to go with a external voltage regulator for the engine, but I would rather not.
Does anyone have any idea on what to test or has anyone had a similar issue before? Thanks in advance, you guys are the best.
-Saxon
I know the alternator gets its signal to charge the battery from the pCM. As far as I can tell THAT is what the issue is. The voltage measured on the output of the alternator while installed was less than a volt and it should be in the mid 14's.
I checked all of my cables and fuses and everything checks out. If I cannot figure this out I am going to have to go with a external voltage regulator for the engine, but I would rather not.
Does anyone have any idea on what to test or has anyone had a similar issue before? Thanks in advance, you guys are the best.
-Saxon
