Good Sam Club Open Roads Forum: Toy Haulers: Finding amp draw
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 > Finding amp draw

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Big sky Montana

Montana

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Posted: 05/23/20 01:07pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 24' Toy hauler with two 6v batteries. Battery connection has two positive wires and two ground wires. One set of wires is regular gauge and not a heavy gauge that main power is. When the smaller gauge wires are connected, both batteries lose volts. When disconnected, no volt loss. How can I trace the end location of the two smaller wires that connect to the battery? Any ideas on what these two leads would be for? thank you

2oldman

New Mexico

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Posted: 05/23/20 02:02pm Link  |  Quote  |  Print  |  Notify Moderator

First think I'd look at is the breakaway switch. Perhaps your brakes are being energized. If it's a pretty good spark when you disconnect that's a sign of a substantial draw.

midnightsadie

ohio

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Posted: 05/23/20 02:41pm Link  |  Quote  |  Print  |  Notify Moderator

one fuse cat a time till it goes away then fix that item.

cavie

Port Charlotte Fl/ Hindsdale MA

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Posted: 05/23/20 04:04pm Link  |  Quote  |  Print  |  Notify Moderator

sounds like the brakes may be engaged. Safety pin in place for the breakaway switch? Large wires are for the house.


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wopachop

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Posted: 05/23/20 04:50pm Link  |  Quote  |  Print  |  Notify Moderator

The largest set of wires might be to start the generator. Smaller set of wires power the trailer. There are clamp meters that really come in handy. You clamp the tool around the wire and it reads amp draw.

Like the other fella mentioned you can start pulling fuses until the amp draw goes away. With a clamp meter, and someone watching the reading, you should be able to find the circuit quickly.

You storage compartment might have a light on and you dont realize it during daylight hours.

enblethen

Moses Lake, WA

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Posted: 05/24/20 06:32am Link  |  Quote  |  Print  |  Notify Moderator

Brakes or front trailer jack


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dedmiston

So Cal

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Posted: 05/24/20 08:52pm Link  |  Quote  |  Print  |  Notify Moderator

the Jack should only draw when it's running.

Do you have a disconnect switch? Your main phantom draws should be from the smoke/O2/LP detectors.


2014 RAM 3500 Diesel 4x4 Dually long bed. AISIN trans & 4.10 rear. B&W RVK3600 hitch • 2015 Crossroads Elevation Homestead Toy Hauler ("The Taj Mahauler") • Hooligan #3

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