Wiring diagram 1979 GMC 4x4 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

C10 FAN · 03-03-2014, 10:46 PM

Looking for any help with wiring diagram for 79 k truck.

54Caddy · 03-03-2014, 11:34 PM

which part do you need I believe I have them saved in pdfs

C10 FAN · 03-04-2014, 12:12 AM

Thanks for the reply, I'm actually looking for everything. Got a new truck and it doesn't have gauges and the heater control, and all dash components are not installed correctly. The headlights also will not stay on., sounds like a grounding issue. I have never worked with wiring components in these trucks. Just looking for a base to start from.

willett · 03-04-2014, 03:57 AM

There's a big ground junction sorta under the cluster / upper driver footwell region. Check there, also look on the upper kick panel above the e brake pedal for another.

mnz28 · 03-04-2014, 07:19 AM

http://forum.73-87chevytrucks.com/sm...?topic=11766.0
This help?

motornut · 03-04-2014, 10:21 AM

member Hatzie has them here
http://67-72chevytrucks.com/vboard/s...d.php?t=545416

C10 FAN · 03-04-2014, 03:05 PM

Thanks guys this is exactly what I need. Thanks for your help.

03-03-2014, 10:46 PM	#1
C10 FAN Registered User Join Date: Apr 2012 Location: Canby, Oregon Posts: 7	Wiring diagram 1979 GMC 4x4 Looking for any help with wiring diagram for 79 k truck.

03-03-2014, 11:34 PM	#2
54Caddy GM Addicted Join Date: Jan 2009 Location: Visalia, Ca Posts: 2,294	Re: Wiring diagram 1979 GMC 4x4 which part do you need I believe I have them saved in pdfs __________________ ..Mac’s Garage.. 73 GMC, 54 Caddy, 2010 Silverado, 68 C10 RIP DAd My 73 GMC Truck Build Pic 2010 Silverado 4/6 on 24s IG:MacsGarage

03-04-2014, 12:12 AM	#3
C10 FAN Registered User Join Date: Apr 2012 Location: Canby, Oregon Posts: 7	Re: Wiring diagram 1979 GMC 4x4 Thanks for the reply, I'm actually looking for everything. Got a new truck and it doesn't have gauges and the heater control, and all dash components are not installed correctly. The headlights also will not stay on., sounds like a grounding issue. I have never worked with wiring components in these trucks. Just looking for a base to start from.

03-04-2014, 03:57 AM	#4
willett Another Day, Another Dollar Join Date: Nov 2008 Location: North Vancouver, BC Posts: 1,316	Re: Wiring diagram 1979 GMC 4x4 There's a big ground junction sorta under the cluster / upper driver footwell region. Check there, also look on the upper kick panel above the e brake pedal for another.

03-04-2014, 07:19 AM	#5
mnz28 Registered User Join Date: Jun 2006 Location: wi Posts: 16	Re: Wiring diagram 1979 GMC 4x4 http://forum.73-87chevytrucks.com/sm...?topic=11766.0 This help?

03-04-2014, 10:21 AM	#6
motornut 78K & 79C Jimmys Join Date: Nov 2009 Location: Ottawa Ont CANADA Posts: 7,901	Re: Wiring diagram 1979 GMC 4x4 member Hatzie has them here http://67-72chevytrucks.com/vboard/s...d.php?t=545416 __________________ John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350

03-04-2014, 03:05 PM	#7
C10 FAN Registered User Join Date: Apr 2012 Location: Canby, Oregon Posts: 7	Re: Wiring diagram 1979 GMC 4x4 Thanks guys this is exactly what I need. Thanks for your help.



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