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I have a cheap one so I’ll have to set it to the lowest setting. Thanks for the great info.

I have a meter but I suck at knowing how to use it. Not sure what to set it to.

So I noticed that my temp gauge did appear to be working on my M1152A1. I tested the gauge by unplugging the wire at sending unit and grounding it to the engine. This made the gauge go all the way up and the over heat led to come on. That led me to believe that the gauge was good and the sending...

Also noticed that MacMotors has the belt listed at 112”. When cross referencing it via part number, it should be 114”?

Got a belt 12469149-3, 112" SN#s 196901&UP 01-488-5606. From MacMotors. Put it on yesterday…. Fail. The thing falls of after being on for 30 seconds. Tried multiple times and all fall off within 30 seconds. Put the old belt back on and dosnt fall off. My old belt seems to be higher quality with...

Built a dog house for 6.5 turbo out of 1/8 aluminum (old street sign).

Thank you!

I have been searching for the correct size serpentine belt. The belt on the truck has no numbers on it to reference and internet search has left me with multiple sizes. -2007 M1152A1 SN:252865 -6.5 turbo - AM General A/C -200AMP generator Attached is a picture of the a/c compressor. All my...

Thanks for the inf. Yes the it’s the switch. The truck runs fine, just can’t figure out why the wait light started to start blink.

Got a question relevant to cold advance. I put a new cold advance in since mine was broken. I put the new one in and on the new wires are both labeled 589. The wires from the truck are 589A and 589B. Since install my wait light flashes. It starts and runs fine. Not sure if the wires being...

Thank you!

I have an M1152A1.

Im almost 100 percent sure it’s electronic. I’ll will try to disconnect and clean and reconnect.

My tachometer at idle jumps around. At idle it sits at 0 then it just jumps up to 500 Rpm then back to 0. This is without hitting the throttle. I have a video but can’t figure out how to attach it.

Did not test the pressure yet. It’s an auction truck so it been sitting probably forever. My guess is no pressure. I’ll test it and let you know what I find out.

I have an M1152A1 with the 2 wire compressor. I noticed that the A/C is not working. The fan runs fine but no cold air. I looked at the clutch on the pulley and it’s not engaging. I attempted to test the voltage to the compressor but I didn’t yield any result. Also let it be know I have no idea...

Thank you for the information !!

Thanks for the information! That’s reassuring about the 348 wire. Thought they were just cutting all kinds of wires for fun. The P41 wires are connected to the negative terminal to my battery. I’m guessing it was for some sort of accessory that was in it before. It’s an M1152A1. There is all...

I have been slowly looking at my wiring and notice my P41 wires are all chewed up. Any idea what they might go to? In addition my 348c wire is cut and I have no idea where it goes. Any help would be greatly appreciated.

No worries. Number 28 is what I need. I did a lot of searching for it but, I didn’t look in the technical manual for it. Now I know. Thank you