Forum Discussion

RVimana's avatar
RVimana
Explorer
May 19, 2016

Battery #1 (Engine) vs. Battery #2 (House) Issue

Hi All, First post on the forums, thanks for taking a minute. Wife and I were driving our 1988 Honey Class A to visit family, and I inadvertently left the running lights on at the Mother-In-Law. B...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
May 19, 2016
Volt drop. Measure at battery post with red probe, the clamp with the black probe. This is how the pro's do it. The test is absolutely infallible. Keep tracing down-line to the load. The circuit needs to be under load for the volt drop test to work. Carry 90 grit sandpaper to scratch through the corrosion for the probes.

You can bet your sweet --- this test will find a bad post to lug connection in .001 second flat.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,192 PostsLatest Activity: Jan 26, 2025