Engine Temp wire color? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

AZChevyland · 02-07-2011, 01:03 AM

Ok, we have newer 350 in the truck and we want to wire the temperature sensor but cant fine the wire. I have looked behind the gauges but as you know they are all on a circut board which all the wires come off in a bundle. I cant tell which one goes to the temperature gage. Anyone know the color of it or how i can identify it? Thanks.

hotrod farm truck · 02-07-2011, 01:13 AM

Mines a green wire.

AZChevyland · 02-07-2011, 01:20 AM

Quote:

Originally Posted by hotrod farm truck

Mines a green wire.

Great. Thanks. Now to find that green wire. All the wires were pulled back into the truck so hopefully i can find it under there.

Anyone else find other color wire, or is green pretty much the standard for our trucks?

Beuford · 02-07-2011, 07:31 AM

mine was green I think a 16 ga wire.

screamin_c10 · 02-07-2011, 08:00 AM

Green and greasy.....

**LockDoc** · 02-09-2011, 02:25 PM

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Mine's green. It connects to the firewall connector in the engine compartment...

LockDoc

**VetteVet** · 02-09-2011, 03:49 PM

It's a 20gauge dark green wire and it runs from the left cylinder head sender to the firewall connector to the key switch and then to the cluster plug for clusters that have idiot lights.

If it is a seven gauge cluster then the wire goes through the firewall connector and bypasses the ignition switch and goes directly to the cluster plug.

It goes into terminal six on the gauge cluster plug and into terminal five on the idiot light cluster plug.

Longhorn Man · 02-09-2011, 06:08 PM

this is all assuming you are working on a 67 - 72... since you never mentioned what you have.
Make sure you don't grab the horn wire, it's green too.

AZChevyland · 02-09-2011, 07:05 PM

Quote:

Originally Posted by LockDoc

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Mine's green. It connects to the firewall connector in the engine compartment...

LockDoc

Thats great. You were spot on.

AZChevyland · 02-09-2011, 07:12 PM

Quote:

Originally Posted by VetteVet

It's a 20gauge dark green wire and it runs from the left cylinder head sender to the firewall connector to the key switch and then to the cluster plug for clusters that have idiot lights.

If it is a seven gauge cluster then the wire goes through the firewall connector and bypasses the ignition switch and goes directly to the cluster plug.

It goes into terminal six on the gauge cluster plug and into terminal five on the idiot light cluster plug.

Thanks. I can always count on members of this forum to know the details. You couldnt have laid this out for me better. With this info I found it. I followed your instructions backwards from the cluster forward and found it coiled up and tucked up under the inner fender. It was hidden out of the way and out of site when the engine swap was done.

Woooo Hoooo!

02-07-2011, 01:03 AM	#1
AZChevyland Registered User Join Date: Apr 2010 Location: Phoenix Arizona Posts: 69	Engine Temp wire color? Ok, we have newer 350 in the truck and we want to wire the temperature sensor but cant fine the wire. I have looked behind the gauges but as you know they are all on a circut board which all the wires come off in a bundle. I cant tell which one goes to the temperature gage. Anyone know the color of it or how i can identify it? Thanks. __________________ J&S Sideyard Projects......we will be at...... Dino's 3rd annual Pre-ShowGit Down

02-07-2011, 01:13 AM	#2
hotrod farm truck Registered User Join Date: Jul 2010 Location: reidsville north carolina Posts: 64	Re: Engine Temp wire color? Mines a green wire.

02-07-2011, 07:31 AM	#4
Beuford Registered User Join Date: Oct 2009 Location: Townville,Pa Posts: 284	Re: Engine Temp wire color? mine was green I think a 16 ga wire.

02-07-2011, 08:00 AM	#5
screamin_c10 I dun gradjiated collij!!! Join Date: Jan 2006 Location: St. Helens Oregon Posts: 1,751	Re: Engine Temp wire color? Green and greasy..... __________________ Built NOT Bought. Viper Red 1971 LWB C10 355 Vortec W/700R4 4/5 drop AKA Screamin' You are missed! 2006 F150 XLT 5.4L Triton Rollin' on 22s the "F1" 67 C20 PS/AC/327/TH400 we call 'er "Bessie" 67 Malibu PS/ZR1-LS1 Brakes/350 Vortec/700R4 2/2 drop on 18" 338s - Tracy's "Boo" Boosted '67 Cougar EFI 5.0 HO roller motor/T5/8.8 Tracloc/ 4 wheel disks - "Project Panther" 79 Honda Z50 - stretched, cafe'd and hotrodded 125CC Lifan/5spd FEAR THE MONKEY!

02-09-2011, 02:25 PM	#6
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,803	Re: Engine Temp wire color? - Mine's green. It connects to the firewall connector in the engine compartment... LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

02-09-2011, 03:49 PM	#7
VetteVet Msgt USAF Ret Join Date: Jan 2005 Location: Kalamazoo, Michigan Posts: 8,719	Re: Engine Temp wire color? It's a 20gauge dark green wire and it runs from the left cylinder head sender to the firewall connector to the key switch and then to the cluster plug for clusters that have idiot lights. If it is a seven gauge cluster then the wire goes through the firewall connector and bypasses the ignition switch and goes directly to the cluster plug. It goes into terminal six on the gauge cluster plug and into terminal five on the idiot light cluster plug. __________________ VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative.

02-09-2011, 06:08 PM	#8
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: Engine Temp wire color? this is all assuming you are working on a 67 - 72... since you never mentioned what you have. Make sure you don't grab the horn wire, it's green too.



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