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Ignition Issue

Posted: Sun Oct 08, 2017 12:21 pm
by Restomod
My M38a1 will not start.
No spark at spark plugs.

Removed distributor cover everything looks OK.
Points open/close when motor cranks and points not corroded.
Distributor contacts look OK.
Have 24 volts at entering wire at coil connection.
Have 24 volts at center connection of coil.
Have continuity from spring to center point of distributor.
Also have continuity from leaving coil wiring connection thru points.

Is there any way to check the coil and condenser?

Any other ideas of what may be wrong?

Posted: Sun Oct 08, 2017 12:39 pm
by 4x4M38
See Pages 82 and 83 of your TM9-8012.

If you don't have a copy they are free here to download
at the left above.

Take care,

Posted: Sun Oct 08, 2017 6:16 pm
by Restomod
In the manual it gives specs for the condenser, but not the coil.

It notes to test the coil, replace it with known good one to perform test.
That's a little pricey.

Anyone know what the coil primary & secondary specs are?

Posted: Sun Oct 08, 2017 7:56 pm
by wesk
Look in my photo album under Ignition System

http://www.willysmjeeps.com/v2/modules. ... _album.php

Then click on Distributor

http://www.willysmjeeps.com/v2/modules. ... _album.php

You'll find the how to and the spec sheet there.

Posted: Mon Oct 09, 2017 1:53 pm
by Restomod
This info is great!

Thanks

Posted: Wed Oct 18, 2017 12:30 pm
by Restomod
The coil tested out to be bad.
Couldn't figure out exactly how to test microfarid's on the condenser.
So since condenser was fairly cheap, decided to replace it.

Out of curiosity, what do you use to read microfarid's ?

Thanks again.

Posted: Wed Oct 18, 2017 12:36 pm
by wesk