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Alternator, fan clutch, water pump come to mind.

The firewall mounted electronic device is the voltage regulator for the alternator. The fender mounted device is the ignition module. I have seen many of these where the substance inside (potting) has run out sitting on a shelf, so that does not mean they have overheated, just gotten old...

Drain the oil from the transfer case and rear differential and see which one has chunks of metal coming out of the drain hole. Then you will know.

Wow, did your truck suffer any damage like a scratch on the bumperette or a cracked tail light lens? Yup, sudden acceleration in an 809 has to be an unusual sensation.

Here we go.

I do. Where does it go?

Plenty of both battery and alternator capacity for those items. Get 12 volt power for the cab mounted items from the power pad to the left of the relays on the PDP in the cab.

You are quite correct. Memory failed me.

Fold your windshield over and clean or bypass the contacts.

The only circuit breaker is for lighting only and it is inside the three lever switch Edit: incorrect, see below post

Welcome to the forum. Probably best you park the truck and put the front axle up on jack stands. Next, inspect for loose wheel bearings, worn out tie rod ends, and disintegrated knuckle bearings.

I say yes. The GM transfer case is unique in that the front and rear outputs spin in opposite directions.

I'll buy your SINCGARS mount, PM me what you want for it.

Where are you in the process? All harnesses and solenoids ohmed out good? 100% good result from transmissioninstruments?

If your 302 has a clutch and Clark transmission, it is most likely from a GMC truck from the WWII era called the CCKW. Try "vehiclesofvictory.com".

My two cents: If you have your high speed 3rd members laying on the bench, what better time to drop in the locker?

Sweet! No surprise that GEP parts did not know about the vendor change on the blocks. Parts is way down on the manufacturing food chain. I'm in assembly and even then purchasing forgets to tell us they switched vendors. We usually find out when the line goes down because something no longer...

Winch uses ball bearings, there is no preload to set.

I would swap the 17 and 18 wire at the headlights. The highbeam indicator will still be sync'ed with the wrong filaments if you just swap the dimmer wires.

Get a caliper. Measure the diameter of the yoke sealing surface, and the inner diameter of the retainer where the seal presses into. With this info, go to your local bearing supply house. The 70 year old GM seals are leather which is fine, but that is a bit old technology. Nice DUKW!