[PDF] Wiring Instructions for 60-0-60 Ammeter - fwmurphy Wiring Instructions for 60-0-60 Ammeter . Please read these instructions carefully before installing. All instructions refer to viewing from the rear. 1. Disconnect battery ground cable. 2. Connect an 8 AWG (10.0 mm. 2) wire, minimum, with an insulation temperature rating of 220° F (105° C), minimum, from the battery terminal Related searches for dc ammeter wiring diagram 12 volt ammeter wiring diagramvoltmeter gauge wiring diagramamp gauge wiring diagramdc voltmeter wiringdc volt and amp meterstractor amp meter wiring diagramwiring diagram for amp meteramp meter installation