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After I installed the AC-Delco 60G's I checked voltage at the relay. As soon as the key was on the voltage was about 8 volts. It climbed up as they warmed which makes sense as the resistance increases as they heat up and the current required is reduced. That is the self regulating feature...

My CUCV wouldn't start when I first got it. Sprayed it with a 1-2 burst of starting fluid and it lit right off. It had 6 bad glow plugs already. If it concerns you then disconnect them at the relay and try it.

Some years ago my SAR folks had an old CUCV ambulance with single rear wheels. One day someone thought it would be good to completely fill the back with stuff and then tow a grossly overloaded 2 axle trailer behind it. The tongue weight was so high, the hitch almost dragged on the ground...

Good catch! The black stripe with the arrow pointing down is the negative lead. Just like the other one that's still attached. And by the way electrolytic capacitor failure is very common in all electronic devices. If you see one that has swelled or leaking fluid it's gone bad. I was given...

Leaky brake cylinders will cause that too. Brake fluid on the shoes makes them real grabby. If you can take a peak at the inside of the wheel and see if there is any sort of fluid coming out of the drum. Also check your brake fluid reservoir. A loss of fluid could be catastrophic.

I just installed a set of AC Delco 60g's in mine. Had to cut off all the connectors and attach wider ones. They are 12 volt. Truck starts right up now. I put a volt meter on the relay and when first turned on the voltage read around 8 volts. Quite a huge draw. As they warmed up the...