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#1 |
Registered User
Join Date: Jul 2017
Location: Utah
Posts: 35
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AC clutch wire harness
When I was replacing the AC compressor I noticed what appears to be a resistor jumper between the wires on the clutch wire harness. Do they all have this or was this a "special modification" made by a PO?
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#2 |
Mr. Cheyenne
![]() Join Date: Jun 2020
Location: Kyle, Texas
Posts: 1,688
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Re: AC clutch wire harness
might be a diode, to keep voltage from flowing back in the wrong direction?
__________________
Richard '72 Chevy C10 Cheyenne *Super WHT/MED BRONZE/WHT SBC 350 | TH350 | LWB | AC | Buddy Seats Upgrades: Tilt | Front Sway Bar | Radio | Sliding Window | Bed Spare w/Lock Bed Rails | Full LEDs | Courtesy Lights | Tachometer | Glovebox Lock & Light | Head Light Relays | *Upgraded Fully Super Trim |
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#3 |
Senior Member
![]() Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,844
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Re: AC clutch wire harness
My '69 has one, and it's pretty crude. If I recall correctly it was just wrapped with electrical tape from the factory.
__________________
Jim |
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#4 |
Who Changed This?
![]() Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,384
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Re: AC clutch wire harness
Yes, it is a diode. It prevents the surge from inductive kickback from the clutch disengaging going back up the harness.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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#5 |
Registered User
Join Date: Jul 2017
Location: Utah
Posts: 35
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Re: AC clutch wire harness
Great, thank you for the confirmation. PO (my father-in-law) was an electronics technician decades ago and made several interesting "enhancements" to the truck that I'm still trying to decipher.
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