What's the amperage on OEM fog light harness?

[JulesAo]

I'm replacing the OEM LED fog lights on my '21 Gladiator Mojave with Rigid fog lights. The Rigids are 2.86 watts per light, but I'm not sure what the harness can accommodate. Jeep dealer service/parts departments don't know (at least not the 3 I've called).

I'm hoping someone on here may know.

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[ShadowsPapa]

I'm replacing the OEM LED fog lights on my '21 Gladiator Mojave with Rigid fog lights. The Rigids are 2.86 watts per light, but I'm not sure what the harness can accommodate. Jeep dealer service/parts departments don't know (at least not the 3 I've called).

I'm hoping someone on here may know.

No way they'll have any clue. Harnesses aren't spec'd by the amperage they'll carry.
You need to determine the wire size and use that to find how many watts it will handle (how may amps at roughly 13 volts.)
There's not a place in the world to find capacity of factory harnesses, only wire gauge.

I'd say at 2.86 watts - you are looking at only about 0.22 amps, should be fine. But i've not checked the actual harness wire gauge.
2.86 watts divided by 13 volts = .22 amps

 

[Vtur]

There's watt rating stamped on the back of the oem lights.

 

[ShadowsPapa]

There's watt rating stamped on the back of the oem lights.

So you'd know at the least that it handles that many watts.........

 

[Vtur]

8.5W

 

[TheSolarWizard]

Whats the fuse rating for the fog light circuit?
20% below that is your safe answer

 

[JulesAo]

8.5W

Thanks!!!!

sure enough, same same.

 

[ShadowsPapa]

8.5W

Some of the lighting is literally voltage regulated, so if you use their voltage stated of 13.5 in amperage calculations from watts, you'll be good.

Can't get any more clear than your pic!

 

[Minty JL]

I cannot find a "foglight" specific fuse.

So looks like they fall under either fuse 26 or 29, both being 40A circuits. Maybe Bill can add to this thought process. Fog lights are controlled via the headlight switching assembly (on its own fuse), so they piggyback off from the same circuit because of the CAN/BUS protocol the JT/JLs use

 

[RudeJeepin]

Not to mention some JL/JT have halogen fog lights. I'd bet that they use the same circuit/harness as the LED equipped rigs.
So I'd guess they can handle a few more amps than most any LED replacement would require.

 

[Minty JL]

Not to mention some JL/JT have halogen fog lights. I'd bet that they use the same circuit/harness as the LED equipped rigs.
So I'd guess they can handle a few more amps than most any LED replacement would require.

I'm running the DD SSD3 Max (specs below, from DD) on from the OEM foglight circuit with their PNP kit:

Main Beam Power (watts): Sport: 14.5, Pro: 36, Max: 38.5
Main Beam Current (amps @ 12.8V): Sport: 1.1, Pro: 2.7, Max: 3
Operating Voltage: Backlit: 9-30V, Non-Backlit: 9-16V

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