ww2dodge.com Forum

The original factory AC DELCO Ignition Coil is not all that common on todays' CCKW(that's the one with the white porcelin end). Should your truck still have one (lucky you), the correct way to mount it is for the porcelin end with the Secondary Lead Terminal(big wire) to be at the bottom. The Coil has Oil in it and it must be installed correctly in order for it to cool properly.
I buy every original NOS CCKW Coil that I can find. I just love rare spares!

Does anyone still have the original coil on their CCKW?

My brother has a '43 CCKW with the original coil still fitted, & original plug leads until last year! He fires it up once a year to pick up his hay! After WW2 it was bought up (left here by US Army) by a logging contractor, then later by an earthmoving contractor for carrying a D4 Caterpillar. This contractor retired & my brother now has the truck.

My CCW came from the same contractor; via my father who drove for him in the 50's, & had been used towing a low-loader & his D6 Cat. - Rough life for a 5 ton truck! It's now largely back into original condition - still got some panel work to finish. I'll finish the restoration & fit it with a hydraulic gib crane for use in my engineering business - It's got to be a working truck as far as I'm concerned!

Just some info for interest

Would this be the coil your talking about? it is marked Delco Remy

Yes. Yes.

One thing I did failed to mention is although the Coil appears similar to that on a CCKW, it is not. The terminals are different, this one is for a 41-45 Chevrolet Sedan as used by the Army. It will fit once one figures out the lead wire configuration.
I noticed it was on eBay, it went, for $30.00, not bad for a used one that might not work. They burn out fast when installed upside down as they are cooled by oil that is sealed inside.