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I wanted to thank you! your response is great. You know your stuff and your message is going to help me a lot once I get this thing home.I hope these are good trucks. Sure is hard start cold not even freezing yet. I’ll get my multi meter and diagnose this thing. Once I get this thing figured...

I need to find ground sources i pulled the fuse panel right out so I can see the back. There looks to only one fuse related to transmission and it’s not labeled transmission on the back of the fuse panel cover. I follow the wire down to the Allison module, looks like they feed 24 volts into...

Got a bit further today. Ok I checked the lugs on fuse panel. The 24 volt read 27volts with switch on and truck running, the 12 volt was reading 13volts so all looks good there. Power seems to be coming in to fuses but the only light I could get to work are hazards,and heater. I found the...

It’s a 1994 Stewart Stevenson sn# NH00VZV0282BLB I hope that helps I’m not sure AO A1? ,thanks so much for the info you guys are great! I’m sure I can track something down, maybe a mouse in there 😊

Got good ground I added the nato ground so I show good ground. As soon as I flick the green switch I hear a tick tick tick. It’s a deeper sound than the bosh relays make. It does not like something? It gives me about 2-3 seconds of start time then shuts starter down. That’s when I bypassed...

I have a M1079 that would not start? It would try if I let it sit for 15 seconds, but every time I turn the power switch on I get the low air siren ,and a clicking sound under fuse panel somewhere? It’s almost like a breaker is triggered due to high amp draw. I hear a click on/off on/off. The...