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I FOUND IT. I traced all of the wires from the back of gen 2. One of the wires in the flat plug goes to the 24v bar. It was cut and capped short of connecting to the bar. One from the - post runs to the diamond shaped terminal on the firewall. It was disconnected. I connected those two and...

So, if I stab the wire coming from the instrument panel to the relay, the GEN 2 light comes on. So, I think I’m missing a ground somewhere. Right? BUT...it’s 24v, so it cannot ground to the truck. The more I learn, the more lost I get.

So I’m getting no power to the brown wire (exciter on passenger’s alternator). I decided to trace the 24v exciter circuit for the Gen 2. With a test light grounded to the - terminal of the rear battery... 1. + post of rear battery lights. 2. Cable at 24v bar lights. 3. All cables leaving bar...

I did. I used a kit and followed the instructions from another user. With the alternator as is, rebuilt, and with another from another CUCV, nothing.

Ok....so I rebuilt the passenger's side alternator today. Still no Gen 2 light. Still not charging the battery. Here's the condensed version of what I've done today - still with no Gen 2 light and no charging. * Tested continuity of the Gen 2 bulb - works. * Tested continuity of the Gen 2...

PM sent, Tow4.

Ok. Thank you. I'll check in to it. I haven't gotten rid of my core yet.

Though, continuing to learn - will the alternator in this link work? If I understand correctly, the alternator needs to have an isolated ground...

Here is an update: The front battery tested at 14v. The rear at 9v. A buddy works at a parts store and checked them with a tool. He hooked it back up to the rear battery while the truck was running and it indicated a bad voltage regulator. Also, both alternator belts are a tad loose. So, I'm...

As far as I know it is all stock. The only thing I did was reconnect the slave port, as the wiring was missing. I'll try to get some pictures up.

Gen 2 light never comes on. Gen 1 is on when switch is turned. Gen 2 bulb and socket checked for continuity and are good.

I don't doubt what you say about the plug system. I have zero knowledge of the system as is or altered. I just know that it was altered when I bought the truck. I don't know what the advantages or disadvantages are to either side of the argument or how to restore it to factory setup. Perhaps...

1984 M1008. When I bought the truck, the driver's side alternator belt squealed and was being eaten. I replaced it and it stopped - for a month or two. The truck has always started like a champ. Never sluggish at all. All electrical components work as should. Suddenly, I get a sluggish -...