0-90-ohm

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0-90-ohm

Postby sportster96blk » Mon Apr 25, 2011 10:35 pm

are the gauges in the 75 monza 0-90ohm type? i bought a fuel cell and cant seem to get the stock gauge to read the cell.....George
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Re: 0-90-ohm

Postby my79monza » Mon Apr 25, 2011 10:58 pm

yep

Merle
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Re: 0-90-ohm

Postby sportster96blk » Wed Apr 27, 2011 12:37 am

i wonder why its not reading it?
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Re: 0-90-ohm

Postby cosvega76 » Wed Apr 27, 2011 8:21 am

Do you have the sender grounded to the chassis?

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Re: 0-90-ohm

Postby cjbiagi » Wed Apr 27, 2011 9:44 am

All electric gauges use 3 wires, a switched 12 volt, a ground and a "sender" wire from whatever you are measuring. If any of the connections are missing or not making proper contact you will have a problem. If all is well with the wiring then you either have a faulty float unit or a bad gauge. Most likely something with the float rather than the gauge.
Clyde.........75 Monza 2+2
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Re: 0-90-ohm

Postby sportster96blk » Wed Apr 27, 2011 10:40 pm

i was under the impresion that the sending unit only worked off a ground and a sending wire, no power(or 12volt) ...heres how i have it wired - center wire goes to guage- both left and right wires go to ground please tell me if im wrong which i must be ?...george
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