Complete Troubleshooting Guide – Nissan Low System Voltage
Complete Troubleshooting Guide – Nissan Low System Voltage
This is done as follows: 1. With the two-wire harness unplugged from alternator, turn ignition key on, but do not start vehicle. 2. Using handheld voltmeter (set to 25v DC Range), touch positive test lead to one terminal of the harness plug, and the negative test lead to ground. You should read system voltage (12 to 12.5v DC). Repeat test on second terminal of this harness.
1. Turn off engine and everything on the car that uses current. 2. Disconnect the negative (-) battery cable from the battery.
