amp reads backward?

[DENY 411]

car was sitting for 2 yrs. Now it starts and runs , The amp meter shows adischard when engine is running. When swich is off turn rhe lights on and it shows a charge. Not a discharge. I am confused!

 

[Kurt in NJ]

How is the battery connected? — originally the car is positive ground.
If it was and the battery is put in negative ground the ammeter will work backwards

 

[DENY 411]

The battery is correct. As car was sitting 3 people were working on it at the same time,
not sure what all was done to it! IT does start and run, and the amp meter used to work correctly.

 

[Ruth]

Sounds like someone switched the wires when "working" on the dash.

 

[Gene F]

If the battey in it positive to ground, then just swap the wires on the amp mete - problem solved.

 

[nkaminar]

If your electrical system is using positrons instead of electrons then the meter will read backwards.

 

[DENY 411]

update:thankyoukurt in NJ Ruth, and Gene F--I pulled IP amp meter was not touched the Ing swich was wires had been swiched (Not orininal style) I swiched them back making sure not to let it short out agin. Everything fine!