dump trailer battery feed

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  #1  
Old 05-02-06, 07:08 PM
LouBazooka's Avatar
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dump trailer battery feed

Hey Guys

I have a dump trailer , the hydraulic pump operates on a battery installed at the trailer , lights and electric brakes operate with the trucks batt/charging system, the question is how can I connect the trailer batt so it gets charge from the truck alt ? is it as simple as jumping one of the wires ( i.e. park lights ) to the trailer's batt pos + terminal ? I wouldn't think so....
I guess I'll need a volt regulator too right ? any help would be appreciated thanks
 
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  #2  
Old 05-03-06, 05:13 AM
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Long time ago when we had horses, the co-op stable we were at had a dump-bed trailer for manure probably very similar to yours that was hauled to the dumping area with a tractor. All we did was run a pos & neg wire from the tractor battery to a connector near the hitch that we could connect to give the trailer battery a trickle charge while driving out to dump it. No lights or brakes on the trailer so the dump system was the only electrical circuit on the trailer. Not sure if connecting to a lighting circuit will give you the voltage to properly charge the battery. Separate wires (+/-) directly from the truck battery (with an in-line fuse) is probably the way to go.

Based on Personal Experience.Not Intended as Professional Advice.
 
  #3  
Old 05-03-06, 12:19 PM
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unless you disconnect first, you will draw amperage from the vehicle battery during operation. be sure the wire is large enough. i would install a battery isolator.
 
  #4  
Old 05-03-06, 05:44 PM
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Right, left out that step. What we would do is hook up the trailer and let it top off the battery on the way to the dump site and disconnect before actually operating. Could also do the recharge on the return trip so you wouldn't connect the charging wires until after the dump. One cycle of the dump system didn't draw much, so you really didn't need to recharge on every trip which was every three or four days. Obviously if it's going to get heavy use, a more heavy-duty hookup like flop recommends would be the ticket.
 
  #5  
Old 05-03-06, 06:13 PM
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Thank you

Yeah like you said a separate wire from truck's batt pos looks like the right way to do it, good point on both having wire fused and draw at dumping point, thanks tow and flop
 
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