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WTB M38 distributor breaker plate tabs
Hodakaguy M38 Misc Thread
1950 M38 no reading on the dash amp meter
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willysmjeeps.com :: View topic - Hot distributor
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Hot distributor

 
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aforests
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Joined: Oct 06, 2014
Posts: 252
Location: South Dakota - Aberdeen

PostPosted: Thu May 26, 2016 7:05 pm    Post subject: Hot distributor Reply with quote

Finishing up installing my new wire harness. Seems to be going smooth but I noticed tonight that the distributer was really warm and I had only started the jeep for about 10 seconds. Nothing else felt warm. Also when I turn the key on the temp gauge pegs out. Any ideas are welcome.
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Aaron
1950 M38 - #MC11328, 24volt, 1948 CJ2A (Lefty)

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wesk
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Joined: Apr 04, 2005
Posts: 16250
Location: Wisconsin

PostPosted: Thu May 26, 2016 8:53 pm    Post subject: Reply with quote

Could use a wee bit more info.

1-Is the M38's electrical system stock 24 volt?

2-Is the distributor freshly overhauled (if yes, by whom), new or nos, or used and mileage unknown?

3-Do you have the proper distributor housing ventilating tubes attached properly?

4-Have you troubleshot the temp indicating system properly with TB 9-2300-228-20 Tactical Transport and Combat Vehicles: Troubleshooting for Instrument Cluster Gages, Switches, Circuit Breakers, Sending Units and Related Wiring dated 8 July 1960. ?

http://willysmjeeps.com/downloads/instruments.pdf
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Wes K
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aforests
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Joined: Oct 06, 2014
Posts: 252
Location: South Dakota - Aberdeen

PostPosted: Thu May 26, 2016 9:22 pm    Post subject: Reply with quote

Yes, stock 24volt. I went through the distributer. Replaced points, condenser and rotor, but left original coil.
Vent line to tee is on, but I don't have the one hooked up to the crossover tube yet.
Have not troubleshot the temp unit but will now.
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Aaron
1950 M38 - #MC11328, 24volt, 1948 CJ2A (Lefty)

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wesk
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PostPosted: Thu May 26, 2016 9:39 pm    Post subject: Reply with quote

Then I would start troubleshooting the distributor heat issue by bench checking the coil with a coil tester.
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Wes K
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TGP
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Joined: Jan 05, 2016
Posts: 41
Location: Southern, IL

PostPosted: Thu May 26, 2016 10:12 pm    Post subject: Reply with quote

Also would add to check charging system for an Over Charge
Condition.
Higher than normal voltage will heat up the coil quickly.
Tom
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