[Y-Blockhead]

Originally Posted by KR500

No change should be done to the gauge by adjusting the screw slot on front of meter. When new batteries are installed and meter is set to "Adjust" turn the dial till it matches the set line on front of meter. As the batteries age the set line may need to be adjusted since the batteries don't deliver the needed current.

Thanks, KR500. I didn't have to adjust screw in front of the meter. The needle retured to zero by itself.

I put new batteries in and adjusted to the Set Line. What is confusing is what are the 6v, 12v and 24v positions for?

Since my car is 12v, do I turn the dial to 12v when the middle knob is in the dwell or tach positions? Thanks