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My 77 M880 has an electrical issue. All lights abd signals work but when I hit the brakes, the left turn signal (front & back) stop blinking when the brake lights come on. Any help appreciated.

Is it easier to remove my fuel tank to get to the sending unit by taking off the straps and dropping or, ...loosening the bed and sliding it back.

I am finding that the fuel sending units for my 77' M880 are nearly impossible to find. I am looking at a Datcon universal adjustable sending unit that is within the ohm range for my guage, assuming that it is 5-10 full and 60-75 empty. Has anyone used on of these, plus can anyone tell me the...

77 M880, lights turn signals work. Emerg. flashers do not work. Brake lights did not work. have hot feed to brakelight switch, but white wire running to back showed it was shorted with tester. Ran new wire from the switch to back wiring harness and tied it in to the 2 yell/stripe wires and...

I am new, will be selling an M886 ambulance soon and can not figure out how to post in classifieds. Any help appreciated, thanks in advance.

I just got a 77 M880 that has the old military resistor distributor cap and plug wires...etc.. it was a communication vehicle. Can I easily replace this with a stock cap and wires, is there any modification. The existing cap looks taller than a stock cap. Any help appreciated.