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willysmjeeps.com :: View topic - Possible short?
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Possible short?

 
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Kendall
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Joined: Feb 25, 2006
Posts: 253
Location: Wichita, KS

PostPosted: Sat Nov 24, 2018 3:45 pm    Post subject: Possible short? Reply with quote

Trying to get my stock 24v 1951 M38 to start. It had been starting fine, but it has set for a few months and now nothing. My batteries are fully charged (and I have 24v to the starter switch) but whenever I hit the foot starter switch the voltmeter pegs to the negative and the stater does nothing. I took the starter off and cleaned the contacts in the switch and "bench tested" the starter and it spins. The engine is not stuck as I can turn it over with the fan and belts.
Any clues on what the problem may be?
Thanks for any assistance.
Kendall
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1951 M38
1952 M38
1952 M38A1
1942 Dodge WC-55
1951 M100 trailer
1942 Ben Hur trailer
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OKCM38CDN
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Joined: Feb 17, 2012
Posts: 326
Location: Del City, OK

PostPosted: Sat Nov 24, 2018 5:49 pm    Post subject: Reply with quote

When measuring your voltage is it 24v or 28v if only 24 then one or both of your batteries are weak... charged batteries should hold 13.8 volts (approx) each this about 27 volts... if the batteries are weak then you will not get enough to spin the starter...

I say this as I have the same problem, I know I need to replace the batteries but do not have the funds to do so at this time...

Pull the lead between the batteries and see if you have one weaker than the other... and go from there... when using a 12v charger I charge one then the other...

Hope this helps...
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Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 (Restoration Started)
Tornado Alley
Del City, OK
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Kendall
Member


Joined: Feb 25, 2006
Posts: 253
Location: Wichita, KS

PostPosted: Sun Dec 23, 2018 4:54 pm    Post subject: Reply with quote

Thanks Hal. As an update I replaced both batteries with new ones from Sams (Merry Christmas to me) and now it starts like it is supposed to.
Kendall
_________________
1951 M38
1952 M38
1952 M38A1
1942 Dodge WC-55
1951 M100 trailer
1942 Ben Hur trailer
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View user's profile Send private message
OKCM38CDN
Member


Joined: Feb 17, 2012
Posts: 326
Location: Del City, OK

PostPosted: Sun Dec 23, 2018 7:24 pm    Post subject: Reply with quote

I did the same thing about a week ago... now to get it ready for storage before the weather really gets bad...
_________________
Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 (Restoration Started)
Tornado Alley
Del City, OK
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View user's profile Send private message Send e-mail Yahoo Messenger
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