Subscribe to a magazine
join

4x4 Forums

Off-road Tech & How To's

The most important voltage test you could ever learn

how to run a 2 minute voltage drop test.. find bad or dirty connections. engine running, headlights on. digital volt meter set to 20 volts DC. 1. negative battery post to the positive battery post. 14.1 to 14.8 volts is expected. 2. negative battery post to the engine block.. 0.04 volts DC MAX is accepted 3. negative battery post to the body. 0.02 volts DC MAX is accepted 4. engine block to the body. 0.02 volts DC MAX is accepted. fix anything above posted numbers

Post your comments below

Comments

Advertisement