How to get LED taillights to work with parking lights

MACH69JADE

MEMBER
1986 JEEP CJ7
4.2L
6 CYL
4WD
MANUAL
80,512 MILES

Hi,
I installed LED taillights and changed both flashers for multi bulb use. I have new incandescent front parking lights. The turn signal and hazards work fine until I turn the parking lights on, then just sold light is on.
I put the original taillights back on and all works fine together. I did a fuse panel test, where I took out one fuse at a time and touched + battery with tester, it had a faint light briefly, only with hazard/stop fuse. How do I get the LED taillights to work with parking lights? Do I need a relay for LED lights? Suggestions?

5 Replies

CJ MEDEVAC

MECHANIC
11,005 POSTS

I answer a bunch of the CJ questions that come to this site. I have pictures and diagrams that usually can help with an OEM/ or close to OEM CJ.

I presently have a 1977 CJ-5 and a 1946 Willy's, and have owned nothing but CJ's since 1981. All being daily drivers.

You can deduce that I love my Jeeps!

I myself have always kept the lighting that came from the factory.

Complicating it beyond its present simplicity never interested me! But to each his own!

I never had any "unfixable" body lighting, KC Daylighters being my long range illumination.

I have assisted helping a few people using/ attempting to use LED.

Things that stick out (been a while)

Using a LED flasher

Using Load Resistors (pic 1 below)

Insuring grounds are intact, I recall screwing around forever on a "7" only to find the park light housings (to the grill) were intermittently grounding. We ended up installing clips onto the grill (see pic 2 below) to get a good ground.

You might investigate the site (pic 1) for additional information. "You Tube" might help too!

Let us know how it works out!

The Medic

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Thursday, June 11th, 2020 AT 6:55 PM

MACH69JADE

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3 POSTS

Sorry reply took so long, I bought the load resistors, shipping was like 10 days, I already had a multi bulb flasher, already fixed the grounds in the front, so went for the resistors, they work, yeah, now I can get an inspection sticker. I really didn't want to part with the LED tail lights, super bright even in the sun, wanted them for safety, thanks !

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Monday, June 22nd, 2020 AT 6:56 PM

CJ MEDEVAC

MECHANIC
11,005 POSTS

I hope it's just like you want it now!

Need more CJ assistance? Just fire up another question!

And a pic of yours?

The Medic

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Monday, June 22nd, 2020 AT 7:30 PM

MACH69JADE

MEMBER
3 POSTS

Hi, I am doing the paint myself, one section at time, I made the marine vinyl roll bar covers with green zippers, cut green carpet, custom mud flaps, and even redid the laredo dash stripes in green, oh and green seat belts :-)

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Monday, June 22nd, 2020 AT 8:08 PM

CJ MEDEVAC

MECHANIC
11,005 POSTS

That is a very nice job that you have done!

You will be very proud of him when other folks start throwing out compliments.

I'm sure you are aware of it (and will probably get it on there)

The spare tire on the rear screams "Jeep" to anyone behind you, but most of all, it comes in pretty handy when you have a flat.

Today, my grandson (14) and I drove "Willy" (my '46 Army Jeep) with the windshield down, sort of just cruising through two towns with the radio/ phone connection blasting "What is love" and "Sugar Sugar" while the both of us were doing the Jim Carey head bob thing! My grandson thinks this older feller can be cool too (and really trip out the other drivers).

You only live once!

The Medic

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