What is the yellow wire that goes to the starter on a 64 Nailhead? My Electra had been sitting for 2 years, so I had a shop check it out. One of the things they did was rebuild the starter. I know they had some trouble with the starter after the rebuild and it appears they removed the yellow wire that went to the starter. Motor runs pretty well, and starts every time, but I'm wondering what it "was" for?
I don't have my Factory Service Manual at work, but if you look at Smartin's post (http://www.v8buick.com/showpost.php?p=338519&postcount=9), there is a picture from a '68 Buick starter. It shows the yellow wire as connecting to the main positive in on the starter. It is most likely a feeder for a circuit. See if your headlights, horn, blower motor, or some other high current device is not working.
The yellow wire goes to the small "R" terminal on the starter. The "R" terminal supplies battery voltage to the coil only during cranking. It bypasses the resistance wire for quicker starts. If you are still using points, you need that wire connected, otherwise you may have cold start problems. If the car has been converted to electronic ignition, the yellow wire is not needed, as the resistance wire was probably bypassed permanently, or replaced altogether.
Whoops, I didn't see that the line indicating which was the yellow wire stopped where it did. Good catch! :bglasses:
Thanks for the replys. Mine is different then drawing though. There are (well, was) only 3 wires. The main battery wire, a purple wire and then the yellow one.
