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Unread 11-18-2011, 05:45 PM   #1
341012
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Turn signal flasher/relay? - led conversion

1994 jeep ZJ: grand cherokee laredo

Ok, so I am doing an interesting led conversion, but every time I wire it up , the turn signals turn solid, but the brakes and parking lights work.

I've come to the conclusion that I need to use a no-load flasher that is made to handle both led and standard light bulbs, since I'm not swapping everything.

I have looked high and low and can't find the position of my interior fuse panel that includes a standard flasher relay.

'under the dash, drivers side right above the brake'
'above the pink speaker'
'in the drivers side/passenger side kick panels'
but there is no confirmation of this that I have found.
The panel on the passenger side does not contain this
The engine bay does not have it
I have removed the generally exposed dash parts, the carpet (to the front of the seats) my alarm and remote start units... pretty much all additional components, and just cant find the flasher input.

in the 'Convenience center' - (what is behind the glovebox, im assuming) is the 5-pin terminal relay that clicks when the hazards AND signals operate, and on this vehicle there are 2 seperate flasher relays, arent there? Haynes, chilton and tons of information online reflects this.

I have tried to wire the no load flasher in line at the rear by the light, but of course with 2 flashers in the system, it was going screwy.

If anyone can really confirm if this 5 prong relay is supposed to be the relay, and if so, any type of schematics, it would be greatly appreciate it.
If it is not, can anyone confirm where this fuse panel is located?

I appreciate any help or input.

Thanks

Dick


Last edited by 341012; 11-18-2011 at 06:07 PM..
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Unread 11-18-2011, 05:59 PM   #2
Foundrydude
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Maybe the 5 pin combined relay be replaced by a standard 3 pin & 2 pin???
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Unread 11-18-2011, 06:05 PM   #3
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tried that, there is no response, even switched the polarity.
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Unread 11-18-2011, 06:09 PM   #4
badbird17x
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I had to wire the stop, clearance light using the ground with the stop light. Then had to put another light For blinker wired to the blinker ground. This worked on my 98

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Unread 11-18-2011, 06:42 PM   #5
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Quote:
Originally Posted by badbird17x
I had to wire the stop, clearance light using the ground with the stop light. Then had to put another light For blinker wired to the blinker ground. This worked on my 98
I'm not sure I get what you mean
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Unread 11-18-2011, 06:49 PM   #6
badbird17x
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Quote:
Originally Posted by Dictate

I'm not sure I get what you mean
The factory wireing for taillights has a ground for each bulb, I believe it is for the Vic to know whether you have a bulb out. I had to buy a trailer led taillight, 3 wire. One wire ground, one brake, one clearance. The ground for it I hooked to the ground from my brake light. I then bought a 2 in led round, 2 wire, wired it to my 2 blinker wires. Mine works great except my Vic says my taillights are out, but it has done this since I removed the third break light doing my conversion

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Unread 11-18-2011, 06:54 PM   #7
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top pic is with breaks and flashers on
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Unread 11-30-2011, 11:52 PM   #8
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apparently i never replied to this. In my zj, the ground that goes to each bulb is generated from the same singular source, therefor wouldnt make a difference. I tried it either way, with no luck.

Eventually I got to a point where I simply put a resister in line to the signals, basically letting the brake over-ride them. Not ideal, but for rear-side markers, not too bad. I was still unable to find any standard flashers, and I looked every where I could think of. possible computer generated? or maybe that relay clicking wasnt just the activation/trigger relay, but a funky version of the flasher? who knows, if anyone does, they should definitely put it somewhere here.

So I basically turned the rear vents into led sidemarkers...

Because the location i used these on is vents, and not a complete sealed casing, I didnt have to worry about any type of sealing issues like a lot of people have with additional exterior lighting. (The downfall is that because the vents are plastic painted on one side, you have to paint the other side so the light doesnt shine through the plastic itself, but only the outlets.) I used a random orbital disc sander on some scraps of 'ghost light' lenses from autoloc (really any flat lenses will do) to match the shape of each individual port. I used some heavy duty emblem adhesive (clear of course) to adhere the lenses in place, using masking tape to hold them while the adhesive dried. This actually worked better than you would think. Once done, I took some strands of LED tape and cut them to the length i needed, soldered my wiring points to create a single input point, then used the same adhesive to secure in place. I then covered them in clear silicone to make sure they were not damaged by water (you can buy the waterproof type, its just more expensive). Once dried, I wired them up as follows, tucked them back and tested them.

Turn: resistor
Brake: resistor
Park: resistor and diode
Tied these all together to one positive output to the LED, then of course, the factory ground.

I've already bypassed the rear lamp outage VIC issue, because mine was already going nuts and I had eliminated all other issues it could be. If this hadnt been done, I wouldve needed to do it because this WOULD make the VIC go bonkers.

Either way, I'm happy, it's subtle, but i like it.




Pretty dope conversion by the way, I think a couple more pics would be cool if you have them. thanks for the help

Last edited by 341012; 12-01-2011 at 12:07 AM..
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Unread 12-01-2011, 12:43 AM   #9
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i had that 5 prong flasher that is in the pass kick panel cause my whole jeep to go screwy never seen a flasher with 5 prongs i think its connected with the dome lights and ignition but it caused a no start condition it grounded out so bad
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Unread 12-01-2011, 08:00 AM   #10
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My Vic is screwed up, but was before. How do I bypass the Vic? What pics would you like, I'll take some tonight.
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Unread 12-01-2011, 08:01 PM   #11
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Quote:
Originally Posted by badbird17x View Post
My Vic is screwed up, but was before. How do I bypass the Vic? What pics would you like, I'll take some tonight.
Whats screwed up? there are different fixes for different things.




For example, if you want to override your lamp outage alert, snip the LB/BK @ #5, leaving enough room to tie it into your 12v source, the RD/WHT @ #2.

I did that, and never again have I or will I see the 'rear lamp failure' message ever again.

As for the pics man, I'm just wondering what your ride looks like from any angle but straight on the rear.

Thanks again
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Unread 12-02-2011, 12:04 AM   #12
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That's exactly what I need. Mine flashes taillights ever since I removed the third brake light during the conversion. Thank you. Here's other angles
image-2061794496.jpg   image-3477522879.jpg   image-3456705733.jpg   image-52940623.jpg  
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Unread 12-02-2011, 12:38 PM   #13
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That is pretty awesome
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Unread 03-25-2012, 01:34 AM   #14
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by the way, EP27 electronic relay is the combo relay that replaces the stock flasher/hazard relay (FOR LED USE). its 5 prong because its a combo rather than 2 separate flasher relays. just wanted to add that onto here
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Unread 03-25-2012, 09:16 AM   #15
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Quote:
Originally Posted by Dictate View Post
by the way, EP27 electronic relay is the combo relay that replaces the stock flasher/hazard relay (FOR LED USE). its 5 prong because its a combo rather than 2 separate flasher relays. just wanted to add that onto here
would this work in my 98 GC? i got leds in the mail on way here to install
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