Painless harness

[96jeepzj]

Hey y'all. I'm currently installing a painless harness in a customer's 78 fj40, and have a few questions. I'm not new to tech forums, so I've done a search to try and find what I'm looking for but didn't find what I wanted. The following link is the stock schematic I've been working off of. http://www.ih8mud.com/tech/fj40_wiring_diagram.pdf

Onto the questions -

I've read that with this harness you have to create your own turn signal harness and wiper harness, which I've created a schematic for.

The part I'm unsure about is if I can indeed run the power to the hazard switch and the turn switch off the brn and pur wires off the flashers on the fuse block. That and can I just omit the wires that go to the head lamps, the 12v input before the flasher (green red) and the wire to the battery side of the flasher?

Another question, I'll be fine creating the harness for the windshield wipers just following the stock schematics, correct? Just as if I were keeping that part of the stock harness. Thanks in advance for any help.

 

[96jeepzj]

Haha, I knew I shouldn't have made my name 96jeepzj, y'all aren't gonna help me!!

Thats my rig just after the axle swap up front.

 

[96jeepzj]

Anyone know where I can find this information about the turn signals? I'm kinda in a rush to get this done, and this part is holding me back.

 

[2manycruisers]

If I knew the answer, I'd tell you, even if you drive a jeep.

 

[96jeepzj]

If I knew the answer, I'd tell you, even if you drive a jeep.

Hahaha, well thanks. The part I'm confused about is if i can bypass green white wire to the head lights and that top part of the hazard switch in the schematic.

 

[stumpy]

mudders usually arent THAT bad about heep drivers. you just picked a tough one and it is not apparent you did a search. that always warrants crickets...

i dont know the answer. from what i have seen of the pain(ful)less harnesses though, the turn signal problem is a tough one on cruisers. did you search the archives? i know it has been discussed in the past. look up painless and turn signals and see what you get.

supposedly the painless guys offer some minor tech support on turn signal install on cruisers. maybe give them a call?

 

[96jeepzj]

mudders usually arent THAT bad about heep drivers. you just picked a tough one and it is not apparent you did a search. that always warrants crickets...

i dont know the answer. from what i have seen of the pain(ful)less harnesses though, the turn signal problem is a tough one on cruisers. did you search the archives? i know it has been discussed in the past. look up painless and turn signals and see what you get.

supposedly the painless guys offer some minor tech support on turn signal install on cruisers. maybe give them a call?

I did do a search and I read through every post that had something to do with the painless harness. The thing is every single one was someone asking 'How do I do this?', and they were all unanswered or they just said 'get a different steering column'. I can't do this, it's not my truck to go and buy these parts for.

 

[96jeepzj]

I have another question about this harness as well. The alternator is a stock style that has the 3 prong plug, a ground, and the 12 volt post. I called the guy at painless and he said that I should just buy a one post alternator. Any help on this one?

 

[Coolerman]

and folks wonder why no one will discuss Painless questions.

















Painless harnesses are not for the faint of heart about electric wiring. They are not now, nor ever have been, designed for Cruisers.

The harness does not support an external regulator circuit. That's why they tell you to get a one wire alternator. Easy enough to do yourself. Just copy the OEM diagram. If you have come this far you can finish it. Look at the Mad Electrical site for information about wiring alternators and other things.

 

[96jeepzj]

OK, I'm confused still. I've studied the wire harnesses that are in the tech links on this website, but can't figure out what the other two wires besides the white/black, white/green, and white/lightblue do. One is all white, and one is black/yellow (?). I realize I'm going to have to use this alternator excitor wire in the harness, just not sure where to hook it up.

 

[96jeepzj]

Thats the connector on the back of the alternator. I can't read the letters on there though.

 

[96jeepzj]

OK, I figured out what they say. Looking at the connector, the top on the right side is labeled N, the one below that is E, and the one on the left is labeled with a T on it's side.

 

[96jeepzj]

OK, whats involved in converting to a one pole GM alternator? I guess no one has ever gotten the externally regulated alternator to work. I was told some sort of bracket or something?

 

[DanS]

i would put a toyota internally regulated unit in. straight bolt in

 

[96jeepzj]

Can you get me which model this is? We're going to do this I think and just solve all these headaches.

 

[projektdotnet]

CDan would know what you need

 

[cruiser88]

you need to contact pinhead on here he is the wiring guru

 

[65CRUISER]

painful alt help

I'm using the Painful harness with the old externally regulated altenator, here's what I've got. First of all the three prong plug on my alt looks the same as yours but is labled as follows: top right "N", bottom right "F", left sideways "E". The white alt exciter wire connects to the "IG" connection on the regulator, run a wire from the ground connection on the regulator to the "E" connection on alt, and run a wire from "F" connection on the regulator to "F" on the alt. "N" is not wired all. I'd takea pic fr yu but my camera was recently stolen rom our luggage at the airport in NY. IH8THIEVES.
I also have the turn signals working but it has been so long that I would have to tear into it to see what I did.

 

[Scott R]

On your turn signal issue, yes, use the two provided flashers. Isolate the hazard system and the turn signals, it's easier. Just take one of the green/yellow and one green/black and tie these to the right and left signal wires from the painless kit, along with the green/yellow and green/black from the turn signal plug. The important wire is the green/white that goes from the brake switch to the turn signal plug, that's what gives you brake/turn signals on single bulb laps in the rear. If you do have single bulb lamps you will need to wire a diode in the turn signal feeds at the rear lamps.