ampmeter works backwords - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tdangle · 06-19-2005, 12:53 AM

I took my gauges apart and cleaned them up. (the lights now work!!!) anyway I noticed tonight the ampmeter seems to be reading backword. With the engine off and turning the lights on the meter reads toward the charging side. Any ideas?

Sillyoldman · 06-19-2005, 02:28 AM

Wires backwards?

tdangle · 06-19-2005, 11:21 AM

That was my first thought but you can't wire it backwards. It is the factory guage. and hooks up thru the printed circuit board on the back of the guage cluster.

jhow66 · 06-19-2005, 11:52 AM

Did you take the resistor off the gauge? If so you must have switched sides when you put it back on.

Blue68 · 06-21-2005, 07:44 PM

It can be wired backwards, but highly unlikely if it worked before. Easy to switch the wires under the dash and hood.

06-19-2005, 12:53 AM	#1
tdangle Registered User Join Date: Mar 2005 Location: Jurupa Valley, Ca Posts: 1,211	ampmeter works backwords I took my gauges apart and cleaned them up. (the lights now work!!!) anyway I noticed tonight the ampmeter seems to be reading backword. With the engine off and turning the lights on the meter reads toward the charging side. Any ideas? __________________ Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC

06-19-2005, 02:28 AM	#2
Sillyoldman #16876 Join Date: Apr 2005 Location: Auburn WA Posts: 12,266	Wires backwards? __________________ Posted via Stationary Device '71 Custom Deluxe C-20 402. '67 Buick Special 455. '49 Plymouth Special Deluxe. *"I love that old car smell"* *Some people are like Slinkies... not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.*

06-19-2005, 11:21 AM	#3
tdangle Registered User Join Date: Mar 2005 Location: Jurupa Valley, Ca Posts: 1,211	That was my first thought but you can't wire it backwards. It is the factory guage. and hooks up thru the printed circuit board on the back of the guage cluster. __________________ Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC

06-19-2005, 11:52 AM	#4
jhow66 Registered User Join Date: Jun 2002 Location: Knoxville Tenn. Posts: 3,058	Did you take the resistor off the gauge? If so you must have switched sides when you put it back on. __________________ 56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer

06-21-2005, 07:44 PM	#5
Blue68 Registered User Join Date: Apr 2000 Location: Frisco, Tx, USA Posts: 606	It can be wired backwards, but highly unlikely if it worked before. Easy to switch the wires under the dash and hood. __________________ http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades.



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