Gauge panel resistance readings. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Wootdog · 11-24-2004, 08:38 PM

Due to the fact I had to replace my tachometer tonight, I have the instrument cluster on my 67 out of the truck. Does anyone know the resistance readings of the Amperage gauge, temperature gauge, and the gas gauge? I am not sure if any of these, especially the gas gauge are correct. Is there a source on this site that has those readings? Any help would be appreciated. Kerry

krue · 11-24-2004, 08:40 PM

PUt this where you will get more response.

JimKshortstep4x4 · 11-24-2004, 09:02 PM

Kerry,

Here are some readings, (note left in the description is looking at the face).

Ammeter: Post to post .2 Ohms
Post to ground (either one) Open

Temperature gauge: Post to post 48.9 Ohms
Resistor 59.9 Ohms
Lower end of resistor to ground .1 Ohms
Upper end of resistor to ground 59.8
Left post to ground 72.7 Ohms
Right post to ground 121.6 Ohms

Gas gauge: Post to post 36.4 Ohms
Left post to ground 72.6 Ohms
Right post to ground 65.5 Ohms.

Jim

70c10 · 11-24-2004, 09:10 PM

As always, Jim is a wealth of electrical info.

Wootdog · 11-24-2004, 11:04 PM

I will verify the readings to what I observed. Kerry

11-24-2004, 08:38 PM	#1
Wootdog Senior Member Join Date: Jan 2001 Location: Virginia Beach, Va, USA Posts: 1,687	Gauge panel resistance readings. Due to the fact I had to replace my tachometer tonight, I have the instrument cluster on my 67 out of the truck. Does anyone know the resistance readings of the Amperage gauge, temperature gauge, and the gas gauge? I am not sure if any of these, especially the gas gauge are correct. Is there a source on this site that has those readings? Any help would be appreciated. Kerry __________________ 1967 C10 Got it back after three years Boy I sure missed Peppy 1969 Chevelle 1990 IROC Z Convertible 2002 Silverado LT

11-24-2004, 08:40 PM	#2
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,448	PUt this where you will get more response. __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

11-24-2004, 09:10 PM	#4
70c10 67-72 Addict! Join Date: Feb 2002 Location: The TAX State! Posts: 7,856	As always, Jim is a wealth of electrical info. __________________ Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads

11-24-2004, 11:04 PM	#5
Wootdog Senior Member Join Date: Jan 2001 Location: Virginia Beach, Va, USA Posts: 1,687	Thanks Jim. I will verify the readings to what I observed. Kerry __________________ 1967 C10 Got it back after three years Boy I sure missed Peppy 1969 Chevelle 1990 IROC Z Convertible 2002 Silverado LT

11-24-2004, 09:02 PM	#3
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	Kerry, Here are some readings, (note left in the description is looking at the face). Ammeter: Post to post .2 Ohms Post to ground (either one) Open Temperature gauge: Post to post 48.9 Ohms Resistor 59.9 Ohms Lower end of resistor to ground .1 Ohms Upper end of resistor to ground 59.8 Left post to ground 72.7 Ohms Right post to ground 121.6 Ohms Gas gauge: Post to post 36.4 Ohms Left post to ground 72.6 Ohms Right post to ground 65.5 Ohms. Jim



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