- Location
- Never Far From Nowhere
I feel like I've started a cult or something!
NAPA 12-Volt Dual Air Compressor (MT-WM102-15C)
- Thread starter Stephen
- Start date
Unimog
Eric
- Location
- Stansbury Park, UT
Thanks for the discount code! I ordered one as well!
- Location
- South Carolina....no public land
What did you use to crimp the powerpole contacts?
- Location
- Never Far From Nowhere
Order a hydraulic crimping tool. I tried to get creative (read: cheap), and it's just not worth it. Get the right tool for the job.
- Location
- Never Far From Nowhere
I've been thinking about version 2.0 of this (@bobn's), and I think that the 300A relay may be overkill, really. I'm thinking if we stepped down to a ~150A relay, we'd be fine since the compressor only pulls 90A. This would also mean a smaller physical relay, which should allow us to put the stock plastic "NAPA" covers back on and reuse the stock power switch. The only thing you'd have to do to the covers is drill out the back one to fit the new and larger couplers and power cables. This would make it look a lot cleaner, which would be nice.
How about a relay wiring how to for us inept in that department. Wiring is like my understanding of how planes fly it’s just magic 😂. Since you people made me spend more money
(Also j/k I have a thorough understanding of aerodynamics 😬)
- Location
- Vehicular limbo
12v relay has four pins, and they look like this, with one of them perpendicular to the others. 87 and 30 are your main power path, I always "point" 30 at the device I'm powering with the line in from the battery on 87, but I don't know if it actually matters. 86 and 85 are for your trigger, and again I don't think it matters which is which as long as one side comes from your switch or whatever you're using to trigger the relay and the other is wired to ground.
Most relays are "normally open", and don't allow voltage from 30 to 87 until they see voltage on the 86/85 path. That's the trigger that closes the relay.
Now teach me how a 737 stays in the air because I'm pretty damned sure that's black magic.
How a 737 stays in the air is beyond me. But I can teach you good plane aerodynamics 😬
Edit since you included a diagram:
- Location
- South Carolina....no public land
150A relay perhaps like this one? Physically smaller than the 300A that you noted earlier.
- Location
- Never Far From Nowhere
Yeah, that could work.
- Location
- Vehicular limbo
- Location
- Never Far From Nowhere
- Location
- South Carolina....no public land
120A gives a little more buffer. I didn’t see that one in anything but the 2 pack. Probably didn’t look enough.
- Location
- Never Far From Nowhere
But the two pack and resell one here. There are enough people in the
- Location
- Vehicular limbo
Or, you know, buy the two pack and toss one in the tool bag as a spare because it's cheap Amazon chinesium and likely to burn out at the worst time possible?
- Location
- South Carolina....no public land
They’re so cheap it wouldn’t be worth shipping from SC.
This is the way.
- Location
- Bountiful, land of rocks
I received mine yesterday. Just as a backup for my twin ARB that's acting as a single
- Location
- Grand Junction, CO
Yeah, I just got mine today and it's heavier and larger than I expected! But I'm sure that means it'll last longer and perform better.
- Location
- South Carolina....no public land
Mine has been delayed. looks like a back-order situation. Too many people ordering these things I guess.