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Winch Fuses?
Moderators: toaddog, TWISTY, V8Patrol, Moderators
Winch Fuses?
Does a warn winch need to be fused? or is there an internal fuse or something? or is it not needed?
[url=http://www.outerlimits4x4.com/ftopic129164.php[u]Supercharged SAS FJ Cruiser[/url]
The Warn Winch (I have a 9000) does not have a fuse. Its the same theory as your starter motor, since a winch motor is prettty much like a starter motor anyway.
Basically the winch motor draws so much current from the battery that the additional resistance introduced into the circuit by a fuse would lower the voltage to the winch motor and reduce its power. Thats also why the leads are so fat. See figures below. At 9000lbs pull the winch draws 460 amps!!!!
12V DC PERFORMANCE SPECS 9000lb Warn Winch
0 70 amps
2000lbs 180 amps
4000lbs 255 amps
6000lbs 330 amps
8000lbs 415 amps
9000lbs 460 amps
If the winch motor goes wrong (windings burn out due to excessive pulling weight) and the battery shorts out through it dont worry the copper windings will fry and go open circuit as quickly as any fuse, and before your battery explodes.
Basically the winch motor draws so much current from the battery that the additional resistance introduced into the circuit by a fuse would lower the voltage to the winch motor and reduce its power. Thats also why the leads are so fat. See figures below. At 9000lbs pull the winch draws 460 amps!!!!
12V DC PERFORMANCE SPECS 9000lb Warn Winch
0 70 amps
2000lbs 180 amps
4000lbs 255 amps
6000lbs 330 amps
8000lbs 415 amps
9000lbs 460 amps
If the winch motor goes wrong (windings burn out due to excessive pulling weight) and the battery shorts out through it dont worry the copper windings will fry and go open circuit as quickly as any fuse, and before your battery explodes.
1993 Landcruiser 2.5TD VX
4" suspension lift
35 x 14.50 x 15 Pitt Bulls on 15 x 10's
http://www.blessedarethefew.com/
4" suspension lift
35 x 14.50 x 15 Pitt Bulls on 15 x 10's
http://www.blessedarethefew.com/
excellent thanks mate the last bit was the bit i needed. i knew puuttting a fuse through it would lowe its voltage a huge amount and sorta make it less effective but couldnt figure out what happened if it did burn out.. cheers
ben
ben
[url=http://www.outerlimits4x4.com/ftopic129164.php[u]Supercharged SAS FJ Cruiser[/url]
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