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alternator wiring diagram/help needed

just a number

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Trenton ON
this is a CS-130 ALT. I'm trying to track down a 'no charge ' problem. also have done dash/cluster work(may be related)

the 2 wire plug on the back(red/brown), the red is suposed to be battery voltage with the IGN on? the brown is just for the gauge?

where is the red wire get it's power from, the IGN switch itself or is it tapped on with something else?

so far it's got a rebuilt alt(local rebuilder) new belt. tried it with a load and without. it kicked in for a couple of seconds and then quit again.

battteries are fully charged.

WHAT am I missing??? I know it's something simple.:mad2:
 
ok got some numbers. battery voltage is 12.26V the alt excite wire (turns out to be either tan or pink,not red) is only showing 11.4V

the puzzle gets bigger or are the pieces getting smaller:???:
 
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