Turn Signal Issue
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Intermediate
Joined: Dec 2020
Posts: 36
Likes: 13
From: Louisiana
Turn Signal Issue
Hey Guys, I've got a 1992 FLHTP that I'm doing some custom work on. I recently went to a headlight with turning signals built into it. The set up all went good, splicing the wires and wiring up the headlight was easy enough. Unfortunately, after everything was done, I found that the turn signals only stay on and don't flash when activated. The hazard lights blink just fine.
I'm by no means and expert, but my main suspects are:
1) I believe the headlight came with the option to use the turn signals as running lights as well. That extra wire could be my culprit.
2) The work I've done to the bike so far has required me to re-wire parts of the bike. It's entirely possible I may have missed a ground, though I have no clue where it could be if I did miss one.
3) The headlight's turn signals are LEDs and the usual lights included with the bike are not. I didn't install any kind of load equalizer, and might have to.
4) I suppose the Turn Signal Module could be the culprit, but I tested the harness going to it and the pins and it seemed to come back fine (to my knowledge).
Any ideas or suggestions you guys have would be greatly appreciated. I do have the Service Manual for my bike, and have gone through the diags suggested within.
I'm by no means and expert, but my main suspects are:
1) I believe the headlight came with the option to use the turn signals as running lights as well. That extra wire could be my culprit.
2) The work I've done to the bike so far has required me to re-wire parts of the bike. It's entirely possible I may have missed a ground, though I have no clue where it could be if I did miss one.
3) The headlight's turn signals are LEDs and the usual lights included with the bike are not. I didn't install any kind of load equalizer, and might have to.
4) I suppose the Turn Signal Module could be the culprit, but I tested the harness going to it and the pins and it seemed to come back fine (to my knowledge).
Any ideas or suggestions you guys have would be greatly appreciated. I do have the Service Manual for my bike, and have gone through the diags suggested within.
Outstanding HDF Member
Joined: Feb 2015
Posts: 2,414
Likes: 433
From: Arkansas
You need load balance resistors going from BR on one side and ground on the other, and V on one side to ground on the other. Common issue with LED conversion. Did you change the rears to LED as well? If so then you may need a pair on the rear but one pair normally works.
Club Member
Joined: Sep 2010
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From: Beyond Fucital
If everything worked before and all you did was add a headlight with built in turns, you did something wrong.
Just connect the headlight turns to the front OEM turn wiring and you'll be fine.
Unless you changed the other turns to LED's and didn't add load equalizers
Just connect the headlight turns to the front OEM turn wiring and you'll be fine.
Unless you changed the other turns to LED's and didn't add load equalizers
Thread Starter
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Intermediate
Joined: Dec 2020
Posts: 36
Likes: 13
From: Louisiana
You need load balance resistors going from BR on one side and ground on the other, and V on one side to ground on the other. Common issue with LED conversion. Did you change the rears to LED as well? If so then you may need a pair on the rear but one pair normally works.
Outstanding HDF Member
Joined: Feb 2015
Posts: 2,414
Likes: 433
From: Arkansas
Hazard is a different circuit in the TSM and therefore isn't subject to the same scrutiny as the turns within the TSM, try the load balancer a as previously posted ($6 fix) or chase your tail and still go with the load balancers, your choice.
Thread Starter
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Intermediate
Joined: Dec 2020
Posts: 36
Likes: 13
From: Louisiana
Im for sure going to check out a load balancer, just didnt know why the Hazards would work that way. Thanks for the advice!
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