Alternator wiring?

Tiny
STUDENT101
  • MEMBER
  • 1998 CADILLAC ELDORADO
  • 100,000 MILES
It seems to be that the connector to the alternator was yanked away for some reason. Left were two wires, I bought a new connector, which came with three wires. How do I connect the three wires to the two or three wire problem?
Thursday, January 12th, 2012 AT 10:26 PM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Even service manual diagrams can be confusing. The safest way is to find a similar car in a salvage yard and note the wire colors and locations. It's common too to snip plugs from donor cars and splice them into yours. Always solder the splices and seal them with heat-shrink tubing. In wet areas like under the hood and rain, use heat-shrink tubing with hot melt glue inside. All auto parts stores have it.

Here is the alternator wiring diagrams. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, January 12th, 2012 AT 10:45 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
I've included a schematic, I would assume that the new connector that you bought has all white wires. If you look at the connector end view, and notice the lock tab on the top, you can visualize which terminal is which in the connector body. It may be hard to read, but may also be molded into the connector body somewhere.
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Friday, January 13th, 2012 AT 3:06 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello, I found this wiring diagram that is a little more clear. Please let us know if you need anything else to get the problem fixed.
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Saturday, April 22nd, 2017 AT 12:06 PM

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