On the 3-pin connector is there supposed to be two wires or 3 I only have two am I missing a wire or is it correct?
Apr 13, 2025 at 2:37 PM
Alternator wiring?
1999 MERCURY MARQUIS
CORTLAN BASIL HICKS
- MEMBER
- 1 POST
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STEVE W.
- ✓ASE Certified Mechanic
- 15,200 POSTS
There should be one heavy wire on a stud that goes to the battery, then a connector with two wires a light green with red that goes to the charge light on the dash and a yellow with white that goes to the battery junction box and acts as the sense wire to tell the alternator to charge.
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Apr 13, 2025 at 2:45 PM
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