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03-07-2022, 10:29 AM
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#1 |
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Registered User
Join Date: Apr 2017
Location: Fort Worth
Posts: 111
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What is this? 80 C20
Howdy- can you fellas put eyes on this and help me ID please? It’s driver side located in front of cruise. It’s grounded and not mounted to anything, just flopping around. Thank y’all
Last edited by 44SAA; 03-07-2022 at 10:30 AM. Reason: More info |
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03-07-2022, 12:23 PM
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#2 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,635
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Re: What is this? 80 C20
Looks like an AC relay. but it's in the wrong spot. find out where the red wires go. Obviously one will go to battery the other???
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03-07-2022, 12:34 PM
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#3 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,671
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Re: What is this? 80 C20
Does look like it..
https://www.classicindustries.com/product/d158168.html Might unplug it and see if theres any numbers stamped into it
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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03-07-2022, 12:43 PM
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#4 |
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Registered User
Join Date: Apr 2017
Location: Fort Worth
Posts: 111
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Re: What is this? 80 C20
Yeah- looks identical to my AC relay. Here is what it connects to. Thank you fellas. Old boy had a CB hooked up, maybe thats what it was for
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03-07-2022, 12:47 PM
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#5 |
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Registered User
Join Date: Apr 2017
Location: Fort Worth
Posts: 111
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Re: What is this? 80 C20
Yeah Mongo- same part. However, my AC and blower relay on pass side are all squared away and working.I think it may have something to do with emissions canisters I removed as they were in the same area
Last edited by 44SAA; 03-07-2022 at 01:01 PM. |
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03-07-2022, 03:33 PM
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#6 |
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Registered User
Join Date: Jul 2015
Location: Sedalia Mo.
Posts: 1,131
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Re: What is this? 80 C20
Horn Relay...Maybe??? Easy enough to test for that.
__________________
He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20 |
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03-07-2022, 04:52 PM
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#7 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,611
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Re: What is this? 80 C20
Possible a PO salvaged that relay from a different vehicle and used it for some gizmo in the truck.
Pull the connector loose and see what, if anything, quits working. Possible the gizmo was pulled from the truck before it was sold. |
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03-07-2022, 05:49 PM
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#8 |
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Senior Member
Join Date: Jun 2015
Location: Atlanta, GA.
Posts: 737
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Re: What is this? 80 C20
I saw this on a C20 Camper Special we once had. I think it was for the dual battery set up for the camper. I think the relay isolated the battery when the truck was off and charged it when the truck was running. Ours was pretty FUBARed when we got so not 100% sure on its true functionality from the factory. Just my guess.
__________________
Jay Gesner Atlanta, GA 1985 C10 Long Bed 4X2 LS 5.3, 4L60E Father/Daughter Project |
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03-07-2022, 06:27 PM
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#9 |
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Registered User
Join Date: Apr 2017
Location: Fort Worth
Posts: 111
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Re: What is this? 80 C20
Thanks Jay- I have a trailering special and PO removed battery tray. You may be onto something
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03-07-2022, 08:23 PM
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#10 |
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Junior Member
Join Date: Mar 2021
Location: Oronogo, mo
Posts: 35
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Re: What is this? 80 C20
Is this it?
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03-07-2022, 08:55 PM
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#11 |
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Registered User
Join Date: Apr 2017
Location: Fort Worth
Posts: 111
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Re: What is this? 80 C20
Thanks fellas- couldnt have figured it out myself. Here is a pic including my sidekick fishing partner/assistant wrench turner
Last edited by 44SAA; 03-10-2022 at 09:01 AM. |
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03-07-2022, 09:12 PM
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#12 |
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Just here to tinker
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: What is this? 80 C20
That’s also the same relay GM used for the glow plugs on the early diesels. 78-80 they mounted two of them on the driver side fender. One relay for each bank of glow plugs.
__________________
78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/showthread.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 73 Chevy C20(Daily)http://67-72chevytrucks.com/vboard/s...d.php?t=852767 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(sold) |
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03-09-2022, 06:35 PM
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#13 |
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Registered User
Join Date: Oct 2015
Location: PNW
Posts: 3,627
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Re: What is this? 80 C20
Nice looking truck. And boots, shorts, and shades - your sidekick is ready for anything.
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