quick ammeter question

F

flash9376

Member
I ordered a new ammeter to replace my original one, mainly for astetic purposes. The new one reads opposite of what its supposed to (+ instead of - and vise versa). I swapped it back out for the old one and it was working normally. Any idea how to fix this? My old ammeter is cracked so Id rather not use it. Thanks.
 
Swap the wires since apparently they were designed to also cater to the Model T which has Negative Ground is what I was told.
No big thing to switch the wires.
 
Have come up against this problem also in the past. Use the new one and change all the wiring from one terminal to the other. The new Amp meter will work as normal.
 
I just installed a new 30amp yesterday. I had the same problem with polarity. Just switch the wires. The big problem was it didn't fit the hole. It is too small. I had to glue it in with RTV silicone.
 
Ca. Kid said:
I just installed a new 30amp yesterday. I had the same problem with polarity. Just switch the wires. The big problem was it didn't fit the hole. It is too small. I had to glue it in with RTV silicone.
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Why 30 amp and not 20 amp?
 
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