temp gauge and dummy light - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Ackattack · 01-01-2003, 11:47 PM

I have a new autometer temp gauge. When I hook it up to the new sending unit and hook the temp warning light wire up to the sending unit, the temp guage reads 180 and the light is on as soon as I turn the truck on and it's cold.

Will the autometer temp guage work with the dummy light, or should I just leave the dummy light unhooked (that's the way I have been running it)

Thanks for the help

Hooter · 01-01-2003, 11:55 PM

You need to change the sender on the block. Or even better leave the sender hooked up and install another sender on the other head for the guage

Longhorn Man · 01-02-2003, 12:08 AM

You can't run them off the same sending unit...I would leave it disconnected myself, but you can do like Hooter said, and run one on one head, and the other one on the other head.

Ackattack · 01-02-2003, 12:14 AM

well that kinda sucks. I'm working on making new guage clusters for all of my autometer guages and I put in the dummy light, and now i'm not going to use it. Oh well. Maybe I can think of some other use for it.

ckhd · 01-02-2003, 10:31 AM

Yeah, the dummy light sending unit is either on or off. The gauges use varied resistance to make the needle move. Completely different sending units.

01-01-2003, 11:47 PM	#1
Ackattack Senior Member Join Date: Aug 2002 Location: Valley Center KS Posts: 3,525	temp gauge and dummy light I have a new autometer temp gauge. When I hook it up to the new sending unit and hook the temp warning light wire up to the sending unit, the temp guage reads 180 and the light is on as soon as I turn the truck on and it's cold. Will the autometer temp guage work with the dummy light, or should I just leave the dummy light unhooked (that's the way I have been running it) Thanks for the help __________________ Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index

01-01-2003, 11:55 PM	#2
Hooter My other Love Join Date: Aug 2001 Location: Castlegar B.C. Canada Posts: 4,085	You need to change the sender on the block. Or even better leave the sender hooked up and install another sender on the other head for the guage __________________ Castlegar B.C.The great white North (Canada Eh!) Hooter_5@hotmail.com First generation Monte Carlo club pictures of my life

01-02-2003, 12:14 AM	#4
Ackattack Senior Member Join Date: Aug 2002 Location: Valley Center KS Posts: 3,525	well that kinda sucks. I'm working on making new guage clusters for all of my autometer guages and I put in the dummy light, and now i'm not going to use it. Oh well. Maybe I can think of some other use for it. __________________ Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index

01-02-2003, 10:31 AM	#5
ckhd Registered User Join Date: Oct 2000 Location: St. Johns, Arizona Posts: 2,660	Yeah, the dummy light sending unit is either on or off. The gauges use varied resistance to make the needle move. Completely different sending units. __________________ my 2¢ - t.i.o.l.i. Bowen 1968 K20 fleet 1969 K10 swb fleet 1972 K10 Suburban 1972 C10 lwb step 1992 K1500 'burb 1995 K2500 'burb 1997 C1500 'burb 1999 K1500 2000 K1500 'burb Why do I own so many Suburbans?

01-02-2003, 12:08 AM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	You can't run them off the same sending unit...I would leave it disconnected myself, but you can do like Hooter said, and run one on one head, and the other one on the other head.



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