Forum Discussion

budwich's avatar
budwich
Explorer
Aug 27, 2016

tandem axle brake wiring... series between front and back?

I decided to chase an issue with brakes today. In the past, the trailer "pigtail" had an issue where it was "compromised" as it passed by the battery tray such that someone (previous owner) had spice...
lenr's avatar
lenr
Explorer III
Aug 30, 2016
Agree with a second 12 gauge--less voltage drop and one still works if the other opens (not shorts). However, I run one 12 gauge to each axle. That way I can split the connection at the umbilical cord junction box and measure the amps to each axle with my 10 amp meter.

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