Electrical issue

B

Baxter

Junior Member
Hi guys, I'm having a problem with a 29 Speedster that is not restored but I would like to get running before I do restore it. I have a short somewhere which causes the control arm to the throttle to get super hot (burned twice).
The starter has a lot of drag and I have replaced it with a rebuilt unit. Still the same. The engine has a "modern" distributor with a high compression head. Where do I start? Thanks.
P.S. I have 2 other restored and running "A"s.
 
Which 'control arm' are you referring to ? foot or hand ?

With what has been said, I'd recommend removing, cleaning the battery ground cable at the frame. It sounds as if the electrical system is trying to find a ground and can't. It wouldn't hurt to clean the battery terminals too.
 
If that doesn't fix it and the hot item is the throttle arm on the steering column, I'd bet you have a short in the column.

With a the battery disconnected you can start disconnecting wiring and see what is grounded that shouldn't be. Be systematic, that will save a lot of time. Once you isolate which portion is shorting to ground, you can easily chase down the culprit.
 
Baxter said:
Hi guys, I'm having a problem with a 29 Speedster that is not restored but I would like to get running before I do restore it. I have a short somewhere which causes the control arm to the throttle to get super hot (burned twice).
The starter has a lot of drag and I have replaced it with a rebuilt unit. Still the same. The engine has a "modern" distributor with a high compression head. Where do I start? Thanks.
P.S. I have 2 other restored and running "A"s.
Click to expand...

Defective ground, The ground is not sufficient to carry the starter draw so it is going through the throttle rod causing it to get hot. That is also why the starter is dragging, poor ground.


Bill
 
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