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'84 M1009 - Won't crank - 12v Roscommon converted
- Thread starter I_Publius
- Start date
I_Publius
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- Prosper, TX
I will have to finish this up during the week. It's too dark and I don't have good lighting, or all my tools, here in my temp quarters.
I do believe, however, that the melted wire is most of my problem.
More, later in the week.
I_Publius
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She's alive.
Melted wire, touching the exhaust, seems to have been the issue.
Thanks to all for the help and support.
Melted wire, touching the exhaust, seems to have been the issue.
Thanks to all for the help and support.
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I_Publius
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I was literally just thinking about that. What information should I start gathering about the setup in order to start troubleshooting it??
Electrical connections
freon hoses
what else?
That is another area I have absolutely no experience in.
Electrical connections
freon hoses
what else?
That is another area I have absolutely no experience in.
134a is pretty cheap right now at sam's. 30 lbs for less than 90 bucks.(sell some to your freinds) after market a/c units are pretty simple. turn on switch inside the cab, see if you have power at the low pressure switch. if you are out of freon you can jump this switch with a paper clip and see if your compressor runs. is it noisy? if it runs and sounds failrly quiet you can add a little freon until it cycles on and off by itself with the low pressure switch plugged in. check for leaks. if it holds for a week, then i would have someone pull a vacume, add some oil and fill with 134a. good luck.
I_Publius
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It seems as though I have the plumbing for the AC. Lines seem to be there. Wiring, I'll need to work on.
Looks as though field mice lived in vents at some point. Any way to clean those good?
Looks as though field mice lived in vents at some point. Any way to clean those good?
If you have a good air compressor and know to remove the dash pad you can blow all that stuff out. I have had military trucks with add on a/c but not with a 12v conversion. they must have mounted the compressor where the second alternator was? thanks. mark
I_Publius
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Yes, Sir...they did. That second alt is gone, on the drivers side, and in it's place is a nice looking AC compressor. Now I just need to see if I can get her running. 
Barrman
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Compared to the truck, a/c is easy. Power to the switch in the cab. Power from the switch to the fan with different voltages for different fan speeds. Then you have a second knob that controls the temperature. When it is on, power will go from it to the compressor. Thats it.
I don't remember if yours had a hi/low pressure cut off switch on the accumulator or not. If so, then the wire from the thermostat switch to the compressor will go through it first.
Once the wiring is found to be correct. Along with a shop vac to clean out the vents. The mechanical part of the system is just like any other A/C out there.
I don't remember if yours had a hi/low pressure cut off switch on the accumulator or not. If so, then the wire from the thermostat switch to the compressor will go through it first.
Once the wiring is found to be correct. Along with a shop vac to clean out the vents. The mechanical part of the system is just like any other A/C out there.