Any issue putting the 850w fan on with the base alternator?

[ecidiego]

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[ShadowsPapa]

I bought a takeoff 850w fan off a member here. It's the fan that comes with the tow package. That package also includes the better battery and 240a alternator. I don't have any additional electrical load. I don't tow, have anything wired in over stock etc. Is that alternator necessary for the fan? I assume they include it for a myriad of reasons in that package, not just for the higher output fan. The base fan is 600w. The reason I bought the 850w isn't for accessories or towing load, it's for desert heat. Mojave should have came with it.

Also - I can't see anything in AlfaOBD regarding a fan - assuming it's just plug and play?

The big high amp fuse array - for the base fan that fuse in the array is 60 amp.
It's 100 amp for the larger fan.
The draw of that 850 watt fan at 13 volts is 65 amps.
So yeah, you need a different high amp fuse array.
The 600 watt fan would run 46 amps at 13 volts.
You could at max draw pull 20 more amps.
The alternator would be mostly for the extra fan load, IMO. Towing doesn't draw much load.

 

[ecidiego]

The big high amp fuse array - for the base fan that fuse in the array is 60 amp.
It's 100 amp for the larger fan.
The draw of that 850 watt fan at 13 volts is 65 amps.
So yeah, you need a different high amp fuse array.
The 600 watt fan would run 46 amps at 13 volts.
You could at max draw pull 20 more amps.
The alternator would be mostly for the extra fan load, IMO. Towing doesn't draw much load.

Oh boy - thanks for pointing out that important detail. Oops. This is it correct?

https://mopar.worldoemparts.com/oem...gladiator-z-case-fuse-array-68368854aa?c=az0x

I wonder if the wiring to the fan needs changed as well. What have I done....

 

[ecidiego]

@ShadowsPapa where are you seeing it's 60 base? My Tech Authority USB only shows 1 option:

I'll go outside and look

 

[ecidiego]

Oh wow check this out:

2020:

2021:

2021, 2022, 2023 only list 1 part, the one with the 100a.

2020 has the two options.

Looks like a change was made for simplicity.

 

[ShadowsPapa]

N5 is the fan.
I have another reference somewhere......... 60 amp standard, 100 is heavy-duty

My PDFs also only show 100 amp. A change?

 

[ShadowsPapa]

Oh wow check this out:

2020:

2021:

2021, 2022, 2023 only list 1 part, the one with the 100a.

2020 has the two options.

Looks like a change was made for simplicity.

That may be it- it would seem odd since the fuse protects the wiring, not the device, so as long as the wires were the same gauge, they could use the same fuse.

I need to get a pic of my 2022 PDC cover and compare that and other fuses.

 

[ecidiego]

Thanks for alerting me to this.

 

[ecidiego]

I think they cut down on variations in 2021. Another example is halogen trucks already have the 'halo wire' from light plug to BCM. 2020 bros had to run those wires when adding LEDs.

 

[wachuko]

Following since I wanted to make the same changes… Both fan and alternator…

 

[ecidiego]

Following since I wanted to make the same changes… Both fan and alternator…

I've been seeing used alts for $190...low miles. They're about 340 new plus core.

Fan is in the mail....when it gets here I'll post.

 

[ShadowsPapa]

Thanks for alerting me to this.

It's a good day - I just learned something new.

 

[ShadowsPapa]

I think they cut down on variations in 2021. Another example is halogen trucks already have the 'halo wire' from light plug to BCM. 2020 bros had to run those wires when adding LEDs.

Somewhere in late 2020 or early 2021, they made a change similar to what you are talking about - cutting down on variations, in the door wiring harnesses. When I added passive entry - there were two possible harnesses for left door and two possible for the right door - with BSM or without BSM.
Benny was making up the kits and posted about the kits, then said that they now had the same harness for either situation - with or without BSM was the same harness number.
Same things for the fuse? And the wiring you mention for the lights?

 

[ecidiego]

Welp....no way to tell without pulling it.

 

[ecidiego]

Tomorrow I'm gonna try a really bright light and camera angle...reference pic of where to look...

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