Ammeter zero level I have approximately adjusted the ammeter zero level on your card on my car, but each car is slightly different, so we will now zero the ammeter. First make sure that no fans or A/C, lights, radio, or other loads are operating, and the car is warmed up. All leds should be out, but if one assist or one charge led is on, it indicates a need for this adjustment.
Adjust the Ammeter zero adjustment potentiometer until all of the amp leds go out. This is a sensitive adjustment, so turn slowly. If more red/amber leds come on while you adjust, you are going the wrong way.
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