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> Alternater Issues, Can't seem to figure it out.....
martinef1963
post Jul 15 2005, 09:43 AM
Post #21


The Saga Continues...
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Hey Gurus - just wanted to see if I can get some ideas on how to isolate a little apternator issues.

1st symptoms dead battery (bought new one, two to be exact) R&R.

Battery kept running down, so I put a voltage meter to test the battery/charging system. It was spiking all over the place - up to 19 volts.

Bought two voltage regulators and R&R the old one. Still have spiking problems, so

Removed the alternator that I just bought (Bosch) and had it tested @ the auto parts store - runs perfect - 14 volts.

Did I mention that my alterator wires are new - from Bowlsby.

Now I've put it back toegether - it's running as I type, but the idiot light is still on!! (IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif)

Does anyone have any ideas on what could be causing the battery from going dead, and the voltage spiking all over the place? It is an electrical gremlin, but I can't find that sucker.

i've attached a picture of my girl -

thanks
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Posts in this topic
martinef1963   Alternater Issues   Jul 15 2005, 09:43 AM
!   Hmmm, wierd. I assume that you have checked for co...   Jul 15 2005, 09:47 AM
McMark   Sometimes the studs on the back of the rebuilt alt...   Jul 15 2005, 09:49 AM
martinef1963   Manfred - that girl is sporting a serious rack - I...   Jul 15 2005, 09:54 AM
Dave_Darling   The "idiot light" is the way that the alternator "...   Jul 15 2005, 10:45 AM
MarkG   REAL long shot here, but whenever I blew the fuse ...   Jul 15 2005, 10:54 AM
martinef1963   Okay - I made it back, but definitely have a probl...   Jul 15 2005, 11:16 AM
DipShit   You may need to polorize the alternator to get it...   Jul 15 2005, 11:20 AM
martinef1963   Okay - I'm back. Plugged the wires directly i...   Jul 15 2005, 11:45 AM
martinef1963   almost forgot - can I run the wires directly to th...   Jul 15 2005, 11:46 AM
!   At rest a fully charged battery should be 12.5-12....   Jul 15 2005, 11:48 AM
!   BTW...you only need a relay board if you have FI.....   Jul 15 2005, 11:49 AM
Dave_Darling   The light is completely removed from the circuit i...   Jul 15 2005, 11:55 AM
Mueller   no relay board on my car, so I ran a wire from the...   Jul 15 2005, 12:16 PM
martinef1963   Okay - I checked the voltage reading on another ba...   Jul 15 2005, 03:13 PM
martinef1963   PS - how do you polorize an altenator?   Jul 15 2005, 03:13 PM
Mueller   how old are your battery cables? did you clean the...   Jul 15 2005, 03:18 PM
martinef1963   Brand new cables - I like to R&R (taking out the o...   Jul 15 2005, 03:21 PM
Dave_Darling   http://www.914world.com/bbs...   Jul 17 2005, 12:16 PM


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