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Wiring Needed To Attach a Charge Line On The Motorhome When Flat Towing a Vehicle  

Question:

We have a 37 foot coachman mirada , i need to run a line from coach battery to the towed car battery, hardware already hooked up to battery. I have to run my coach lights to keep the battery charged and i do nnot want this, what size wire do i need, it will take a little over 50 feet to do the job.

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Expert Reply:

Since you are running 50' of wiring you will want to use 10 Gauge Wire # 10-1-1 which we sell by the foot. Roadmaster has their Battery Charge Line Kit for Motorhomes # RM-156-75 which only comes with 30' of 12 gauge wire. You can build a similar kit with the wiring, Circuit Breaker # PK54220PL, two 10 gauge Deka Ring Terminals # DW05762-1 to connect to the circuit breaker, a 3/8" Ring Terminal # DW05741-1 for connecting to the battery and some Wire Loom # 7509-1 to protect the wire under your motorhome.

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Bud M
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Instructions for RM-156-75
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