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GMT400 HVAC swap
Similar to Valyidol's post, I didn't want to hijack his, I'm trying to fit a 96' HVAC system into my 86'. I had to hack my trans tunnel and remove my engine bay side of my 86' Crew Cab HVAC. The GMT400 system is almost all under the dash, electronically controlled, and a lot cheaper then a...- John-e Bravada
- Thread
- Replies: 3
- Forum: Heat & AC
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Electronic speedo?
I just swapped a 90-91' diesel dash with the electronic speedo. My 6 speed Eaton Fuller has a VSS on the output shaft so I figured I could get a signal from that. I hooked one of the one sensor wires to the gauge signal and the other to ground. Nothing on the gauge. If I tap the ground wire...- John-e Bravada
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- Replies: 8
- Forum: Transmission & Transfer Case
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12v Cummins swap gauge wiring
I asked this in the Interior forum ( http://www.gmsquarebody.com/forum/showthread.php?t=7771 ) without a conclusive answer. I have completed the engine swap and now I'm on to trying to make the factory gauges work. Water temp check, oil pressure check , battery voltage.....? On the BBC alt...- John-e Bravada
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- Replies: 1
- Forum: Diesel 6.2, Conversions Cummins, etc.
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Volt Gauge
I'm sure this is a stupid question but I'd rather know then burn up the gauge. How to I wire the Brown wire under hood? I have a 12v Cummins so my alternator doesn't have a post for the gauge. I have 12v on the Brown wire under hood but I thought I needed to hook it to a 12v system supply to...- John-e Bravada
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- Replies: 2
- Forum: Gauge, Speedo & Instrumentation
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Rack and pinion conversions?
Has anyone done one on a 2wd Square? I know Porterbuilt has a rack and pinion setup on their stuff but what is it out of? I'm building a bagged and body dropped C30 and I would like to do a rack conversion, any help or ideas would be appreciated.- John-e Bravada
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- Replies: 4
- Forum: Suspension, Steering & Brakes
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Laying frame on a SFBD'd 22.5 C30?
I've heard you can without spindles but I can't seem to get low enough to run 22.5s. I bought spindles but it turns out they were for a C10 so the ball joints are too small. I have z-ed it 4", pie cut the upper control arm, I even pie cut the lower but I'm 3" short of laying my SFBD'd frame...- John-e Bravada
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- Replies: 12
- Forum: Lowered & Street Systems
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Diesel HVAC controls
DO the Diesels run off of vacume like the gassers? I'm putting a cummins in my 86' C30 and wondering how to run the HVAC. I found a Diesel Burb in the yard this weekend and wondered if the controls were different in them? The cummins has a vac pump on it but if I don't need it for the HVAC I...- John-e Bravada
- Thread
- Replies: 4
- Forum: Heat & AC
