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How to test gauges out of the car? #160927 12/03/08 10:16 PM 12/03/08 10:16 PM
Joined: Sep 2003 Posts: 2,763 Myrtle Beach, SC formerly the ... 340wedge OP master
340wedge OP master Joined: Sep 2003 Posts: 2,763 Myrtle Beach, SC formerly the ...	How do you test the oil pressure, water temp, and alt. gauges. I bought a second rallye dash and i want to see if the guages work, and are accurate... 1971 Sassy Grass Green Duster 340 2006 Charger Daytona GoMango

Re: How to test gauges out of the car? [Re: 340wedge] #160928 12/03/08 10:19 PM 12/03/08 10:19 PM
Joined: Feb 2003 Posts: 8,671 A Andrewh master
Andrewh master A Joined: Feb 2003 Posts: 8,671	wire up 2 aa batteries in series so they give 3 volts. Then connect them up to the gauage. should put it in the middle. Gauges get 5 volts. Don't use a car battery or you could smoke them.

Re: How to test gauges out of the car? [Re: 340wedge] #160929 12/03/08 10:19 PM 12/03/08 10:19 PM
Joined: Jan 2004 Posts: 27,347 Today? Who Knows? 1_WILD_RT Management Trainee
1_WILD_RT Management Trainee Joined: Jan 2004 Posts: 27,347 Today? Who Knows?	Basically you build the whole circut on the bench, then each gauge can be fine tuned with the trim adjustments on the back of the gauge... 10 Ohms = High reading 73 Ohms = Low reading

Re: How to test gauges out of the car? [Re: 1_WILD_RT] #160930 12/03/08 11:25 PM 12/03/08 11:25 PM
Joined: Sep 2003 Posts: 2,763 Myrtle Beach, SC formerly the ... 340wedge OP master
340wedge OP master Joined: Sep 2003 Posts: 2,763 Myrtle Beach, SC formerly the ...	Basically you build the whole circut on the bench, then each gauge can be fine tuned with the trim adjustments on the back of the gauge... 10 Ohms = High reading 73 Ohms = Low reading OK I kinda understand with an Ohm meter, but how do i do this and what should the reading be? Are they the same for each type gauge? 1971 Sassy Grass Green Duster 340 2006 Charger Daytona GoMango

Re: How to test gauges out of the car? [Re: 340wedge] #160931 12/03/08 11:35 PM 12/03/08 11:35 PM
Joined: Jan 2004 Posts: 27,347 Today? Who Knows? 1_WILD_RT Management Trainee
1_WILD_RT Management Trainee Joined: Jan 2004 Posts: 27,347 Today? Who Knows?	Not an Ohm meter resistors to act as the sending unit, Fuel, oil & temp all use the same resistance values for high & low readings... Ammeter doesn't fit this test very well... you can pass current through it & compare the results to a known calibrated gauge...

Re: How to test gauges out of the car? [Re: 1_WILD_RT] #160932 12/03/08 11:52 PM 12/03/08 11:52 PM
Joined: Jan 2004 Posts: 3,001 Coram, NY Pool Fixer master
Pool Fixer master Joined: Jan 2004 Posts: 3,001 Coram, NY	https://board.moparts.org/ubbthreads/show...t=1#Post4849138

Re: How to test gauges out of the car? [Re: Pool Fixer] #160933 12/09/08 10:01 PM 12/09/08 10:01 PM
Joined: Jun 2003 Posts: 556 Arkansas G GregGarner mopar
GregGarner mopar G Joined: Jun 2003 Posts: 556 Arkansas	We also have some info on our website: http://rt-eng.com/mediawiki/index.php/RT..._vintage_mopars GregGarner www.rt-eng.com Home of the mopar solid state limiter adn tach repair kit

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