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macattack

trans temp gauge? pos or neg ground?

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gonna replace my tran temp gauge and the original says neg ground stamped on the back.  the replacement does not say anything.  is there a way to find out if the gauge is neg or pos ground?

thanks

 

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Pretty much everything is neg. ground these days.  I would call the shop where you got the part and ask them to confirm.

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thanks bud.

the oem is #3MT237P7 gauge.

the one i got is from allison, but the sending unit with the new gauge is a single wire the original sending unit is 2 wire.

the allison gauge has your basic send and ign terminals.  but there is 2 smaller bolts with an insulator between them one is labelled  +  and the other  - .  dont know what that is about.    

but your probably correct.

thanks again

Edited by macattack

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