Recent content by Chickenbone

I'm gonna pull the batts and test/charge them this weekend.

Tested with multimeter. Showed 12.4v. I"m gonna pull them and charge them this weekend. See if that helps.

I went out to start my FMTV up a couple weeks ago. Switched on the power switches, everything on the dash started flashing on and off. With a clicking sound coming from behind the panel. I did not have time to mess with it at the time. So I switched it off and planned to mess with it later...

Thanks for the replies all. Forgot to get back to this one.

How close to level should the truck be before attempting to raise the cab? I'm specifically asking about sidehill angle, not front to back.

Got the 4 batteries tested. Looks like one of them has a bad cell. I think I'm gonna just do as you and a couple other guys suggest and just go with 2 batteries for now. Gonna clean up and check the connections as well.

I have both switches. One outside under the slave connector and one inside in the cab. They may have been flashing yellow. I thought it looked orange, so I just assumed red. I am considering just putting two back in. I'm charging them now. Looks like at least one of them is not holding a charge.

Turns out I'm a dumbass. They were low. Charging them now

Looks like I have the 100amp. And the LEDs are both flashing red (orange?) And it turns out the batteries were down. I pulled them and checked. They were all at 11.5.

Where did you get that setup at?

I'm starting to think it's not the batterys. I drove it about two weeks ago. And I've let that thing sit for months at a time before and it fired right up. I did notice that when the issue started yesterday, the "boot up" was different. I'm not 100%, but I swear normally, when I hit the power...

I pulled one of the batteries last night and tested it with my voltmeter. I got a reading of 25.x volts?

Im not sure on the Alt. I'll check tonight when I get home. Thanks for the other bits of advice.

The 24 volt dash meter shows 28v. The 12volt meter is fluxuating between 12-14. I'm not sure what you mean by the color/patterns of the LED light on the Voltage reg.

Sorry, typo. It's a 2006 M1083A1 6x6 cargo truck. As you pointed out, its the C7 Cat.