Tuff chucking issue
A friend is having an issue with his new truck and camper. The truck and camer are brand new. Sometimes on the level and normally when pull up hill, there's is a jerking. Tach is steady, service t...
Forum Discussion
laknox wrote:RustyJC wrote:
It might also be a situation where the wiring for the forward axle brakes is defective. Definitely needs to be checked out.
Rusty
AFAIK, most trailers have single-loop wiring for the brakes. If =any= wire goes bad, you have NO brakes; just like old-school Christmas lights. Only way to get cool brakes on one axle and hot on the other is if the brakes are not properly adjusted on the cool axle. One caveat, however, would be if each axle were wired independently.
Lyle
Trailer brakes are normally wired in parallel, not series (like a cheap string of Christmas lights). If you have 4 wheels with functioning brakes, each magnet will draw maybe 2.5 amps for 10 amps total. If they were wired in series, all magnets would see the same 2.5 amps.
Most trailer brake wiring is pathetic at best, undersized and running through the axle tubes with no sleeves or grommets where the wires can easily chafe and short. I've seen many where all 4 (or 6, if a triple axle) brakes come to a common junction, others (as I refer to) where each axle's brakes come to a common junction. You wouldn't believe how many I've seen with the trailer brake wiring junctions held together with Scotchloks, and those can loosen and come off - I've found them that way.
I really don't understand the benefit of telling the OP to disregard my suggestion based on your assumption without so much as crawling under the trailer and looking or even checking for brake function with a compass at each wheel. One axle has hot brakes, the other cold. Don't even waste the OP's time checking for functioning brakes?? SMH.
Rusty
