Kennedy headlight harness problem?

[SWLA]

Let me start by saying this is a great product. Worked exactly as it should for last 2 years. I suspect my problem is a minor glitch.

Went to get my truck inspected today. Low beams work fine, but when I turned on the high beams, the PS cut out. Both bulbs lit on the DS, but no bulbs on the PS. I suspect a bad ground, any other suggestions?

[sonofagun]

SWLA,

Recently has an issue with my lights (Kennedy altered). It turned out to be the OEM switch but all of my lights were off. With one side out it is likely a ground or a relay. I'd start with the ground and go from there. Good Luck.

Bob

[Kennedy]

The 2 main sources of failure are:

1) bad grounds (I just couldn't see making the ground travel all the way back through the harness so I set up individuals per side)

2)Bent pins (this typically occurs where the OE harness feeds my harness, and would cause both lows or both highs to fail)

[DMAX Daddy]

I had a similar problem, bad ground. Somehow it worked loose, so I retightened it and no rpoblems since.

[hawkeye43]

I too had a problem with the right side, just hooked the ground in a new spot, works just fine now

[Kennedy]

Just need to scrape off a bit of paint. A dab of dielectric grease will help prevent corrosion also...

[BassinRVer]

SWLA,

Did you find anyhing out. My lights are doing what yours are doing!!!

[Ltrainracing]

does the headlight harness allow for fog lights to stay on when high beams are put on?

[maxinDixon]

Originally posted by Ltrainracing:
does the headlight harness allow for fog lights to stay on when high beams are put on? No. They act same as with no harness.

[JEBar]

have had a Kennedy light harness on my truck for over 10,000 miles with zero problems ... appreciate those providing info in this thread so that if a problem does develop I will know what to check

Jim

[Kennedy]

Check the grounds! They need to be cleaned of paint, and a dab of dielectric grease also goes a LONG ways.

Dunno why a guy would need fog light on with 4 light high beams. I think you'd be hard pressed to even know they were on!

[BassinRVer]

SWLA,

Did you solve your problems?

[SWLA]

BassinRVer,

Sorry, I haven't been here in a few weeks so I did not see your first post on this thread. I really did not have to fix anything. I checked my grounds and they both looked good. I had applied dielectric grease at installation, so there was no evidence of corrosion. I also scrapped the paint to bare metal at the contact points. I think just trying to wiggle the grounds to see if they were loose(they weren't) fixed the problem. No further problems. If it happens again I'll move the grounds or scrape off more paint.

[mdrag]

FWIW - when installing Kennedy's headlight harness, I attempted to use pre-existing bolts to avoid drilling new holes. However, after checking the ground between various bolts and the battery with a meter, I found that the ground seemed intermittent/positional. I then completely removed a few of these bolts, and it appeared that there was paint or some other substance on the threads (?threadlocker?) and considered that this might cause a ground problem at some point in time. I drilled new holes for the grounds, scraped off the paint, and applied dielectric grease.

[Kennedy]

Piercing the wire, and ohming to B- is my preferred way to test this.

Of all the harnesses that I have out there, all failures were corrected in the field by the owners, and came down to grounds, or bent pins.

There was one instance where the relays kept failing, but it was later discovered that the relays were being direct sprayed with a pressure washer. There was one that had the plugs crosswired (Hi to Low) on one side, and another was sent in only to find a bent pin and send the same harness back. All in all, VERY reliable.

Running the far side ground all the way back across and picking up the other one and continuing to the B- terminal would undoubtedly help, but that's a lot of wire, a lot of potential for drop, AND the battery terminals have proven to have their fair share of corrosion over the years...

[BassinRVer]

Okay it was the ground wires causing my problems.