Amp draw for light bar
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Cross-Country
Joined: Feb 2018
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From: Gallatin, Tn.
Amp draw for light bar
I recently bought a 28" tripple row light bar for the truck. According to the ebay flier, its 9000W total. How do I determine an accurate amperage draw so I can fuse it properly?
If I recall correctly amps = watts / volts. so in this case, 9000 / 12 = 75. that cant be right, what am i figuring wrong?
Steve
If I recall correctly amps = watts / volts. so in this case, 9000 / 12 = 75. that cant be right, what am i figuring wrong?
Steve
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From: St Louis
Do the included instruction not either give the needed fuse value or was a fused power lead not included with the accessory item?
It would be rather absurd to have to wire in a circuit that can handle 75 amps, that would take a very heavy set of cables, probably in the 2 or 4 gauge category.
It would be rather absurd to have to wire in a circuit that can handle 75 amps, that would take a very heavy set of cables, probably in the 2 or 4 gauge category.
Thread Starter
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Cross-Country
Joined: Feb 2018
Posts: 76
Likes: 3
From: Gallatin, Tn.
Do the included instruction not either give the needed fuse value or was a fused power lead not included with the accessory item?
It would be rather absurd to have to wire in a circuit that can handle 75 amps, that would take a very heavy set of cables, probably in the 2 or 4 gauge category.
It would be rather absurd to have to wire in a circuit that can handle 75 amps, that would take a very heavy set of cables, probably in the 2 or 4 gauge category.
My concern is that the upfitter switches are rated at 25 amps. I don’t want to cause a problem in the truck.
Last edited by frysl; Mar 27, 2018 at 01:01 PM. Reason: Spelling
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From: Virginia
The wiring set that came with the light bar has a 30 amp fuse. It all looks to be a little heavier than the wiring I normally see in the truck. 14ga wiring is what i think it is.
My concern is that the upfitter switches are rated at 25 amps. I don’t want to cause a problem in the truck.
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