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HT6 Retro fit Wiring Help Needed

frodin1 on Sun June 19, 2011 7:31 PM User is offline

Year: 83
Make: Chevy
Model: Silverado
Engine Size: 350
Refrigerant Type: 134

Ok We have an 83 Chevy Silverado K20 that we are currently restoring and putting a Small block into. We plan on using the Serpentine belt setup from a 96 Chevy truck. Along with that ,we will be using the new alternator, and A/C compressor "HT6". What I'm looking for is some direction as to how to wire this compressor? We currently only have 1 wire at the A/C compressor for the clutch on the original A6 monster compressor that was in here. The new compressor has 2 plugs, one at the clutch end, and one at the back. If there's anybody that could point me to a diagram or something to figure out how I should wire this I would greatly appreciate it. I'm not sure If I'm supposed to have some sort of controller or what for this thing?? I found the part numbers for the pigtails already, just need to know what to hook'em to? HElp?? Thanks, JP

GM Tech on Sun June 19, 2011 11:06 PM User is offline

The HT- 6 coil can be wired either way- it is NOT polarity sensitive. So just wire hot lead to one coil terminal and ground the other-- the plug in back is a high pressure cut-out switch- it is normally closed- so you can wire either the hot or ground wire through it- does not matter.....the switch will open the circuit if high pressure arises-- pressure greater than 427 psi....

The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

frodin1 on Mon June 20, 2011 12:54 AM User is offline

Gottcha, You just saved me a huge hassle. I've been looking for hours on how to do this and you just totally simplified it for me. Thanks again!!

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