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07-13-2020, 04:24 PM | #1 |
Junior Member
Join Date: Feb 2011
Location: Metcalfe, ON, Canada
Posts: 14
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Electrical issue
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. |
07-13-2020, 04:31 PM | #2 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Electrical issue
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. |
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07-13-2020, 05:51 PM | #3 |
Junior Member
Join Date: Feb 2011
Location: Metcalfe, ON, Canada
Posts: 14
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Re: Electrical issue
Thanks, I will start at the battery and work my way through. Will update as I go.
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07-13-2020, 06:28 PM | #4 |
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Join Date: May 2010
Location: on the Littlefield
Posts: 6,155
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Re: Electrical issue
ground problem would be a good place to look
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07-13-2020, 07:11 PM | #5 |
Senior Member
Join Date: Mar 2020
Posts: 150
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Re: Electrical issue
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. |
07-13-2020, 07:21 PM | #6 |
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Re: Electrical issue
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07-14-2020, 12:18 AM | #7 |
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Join Date: May 2016
Location: Glide, Oregon
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Re: Electrical issue
The only wire in the steering column is the horn wire.
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07-14-2020, 02:03 AM | #8 | |
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Join Date: May 2010
Location: Yakima Washington
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Re: Electrical issue
Quote:
Bill |
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07-14-2020, 05:20 AM | #9 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Electrical issue
4 responses mentioning the possibility of a bad ground. Hmm, could be a bad ground.
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07-14-2020, 07:53 AM | #10 |
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Join Date: Mar 2020
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Re: Electrical issue
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07-14-2020, 11:17 AM | #11 |
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Join Date: Jun 2015
Location: Red Deer, Alberta
Posts: 5,042
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Re: Electrical issue
Add a ground cable between the frame and the engine or the transmission.
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07-14-2020, 11:53 AM | #12 |
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Location: Largo Florida
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Re: Electrical issue
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