Help to Rewire an Old Thomas Winch

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Originally Posted by John_D2

Thanks for your help. So just to clarify:

instead of running the black, green & yellow back to the dash switch, run them to 2 relays & fuse the yellow with 7.5amp. Control the relays with a 2 way switch.

Fat battery cable with suggested amperage ratings.

10 amp fuse on main power solenoid. What size solenoid for the battery to solenoid bank line?

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thats about it...

the 400A const, 700A surge and 1000A peak was the spec for the main solenoid you were going to use to isolate the whole winch assy.

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Originally Posted by Blknight.aus

thats about it...

the 400A const, 700A surge and 1000A peak was the spec for the main solenoid you were going to use to isolate the whole winch assy.

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That makes more sense! I was thinking that’s really strange specs for wire - that’s larger than 000 gauge!

So what happened in the end? Today I bought some 50mm2 welding cable and ran 3 runs to where the winch is to be mounted. I’m installing a dual battery holder in place of the standard TD5 battery compartment. The 2 optimas will sit side by side. The new battery compartment has a small shelf underneath where the winch controlling solenoids just fit into.

All I have left (besides fitting the winch of course) is to fit the main power fuse and main power solenoid and to buy a ‘winch in and out’ switch. Incidentally seeing as I’m mucking around with wires I think I might fit an earth wire back to the battery just to make things a but more trouble free.

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