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I don't think so, but I'll check.

Yea, voltage seemed more than reasonable to me. I should have another switch laying around. Only cable I didn't replace during the rebuild was the battery to frame, so I'm going to replace it just to be safe.

These lights are designed to run on 33 volts max, they all worked perfect today. What are y'all's thoughts on the gauge reading high? If it's charging within spec should I not rely on the gauge? I'm stumped. I'll go over all the connections better and see if I find anything.

Here's a pic. Batteries and cables are all new, 6 months old. I'll go back and recheck everything.

72 m35a2

I'm guessing my truck has a generator, it doesn't have the regulator on the back, it's got a metal fan. I have pics if needed. Static battery voltage is 26.35, which seems high, water level is about an inch from the fill. Voltage while running is 29.4 at the battery and out of the generator...

Thanks for the tips, grounds should be good, but I'll check. Which direction will decrease volts? Clockwise, counter?

Awesome, didn't know there was an adjustment. Thank you sir.

Good call, I'll check the batteries and pull the charging lead. The regulator external on these trucks?

Trucks been running great for 6 months, noticed early on the voltage gauge reads a little high when the truck is running, just past the green indicator. So, I checked the voltage and was within spec, figured the gauge was off. Last night my head lights decided to quit working and the gauge...