How To Hook Up Autometer Volt Gauge. Now comes the volt meter. Route the capillary tubing through the mounting hole for the gauge and then through the firewall.
Connect wire from center terminal GND - on back of gauge to good engine ground near sender. We recommend using a 3 AMP automotive type fuse. After that you should be set.
Connect wire from ignition switch to the positive I terminal on the back of gauge.
Print the cabling diagram off and use highlighters in order to trace the routine. The best way to wire it and the way I did it on my T-Bucket is to run a wire from the battery post on the alt to the post on the gauge and then - post to ground. Print the cabling diagram off and use highlighters in order to trace the routine. Cut the red wire to the appropriate length and hook one end to the power connector on the volt gauge.
