Made a dumb electrical mistake with my headlight HI beams

t4rlol

t4rlol

New member
**DUMBASS MISTAKE ALERT** So a few years ago I followed a post on this forum to wire up raptor lights in the grille of my 2016. The post suggested tapping into (I know, I know...) the HI beam headlight harness which I did, and the raptor lights lit up, but after that point the HI beam / DRL bulbs never worked correctly even after removing the stupid raptor lights.

Lo Beams ON: HI beams don't light up with push or pull of stalk; dash indicator does light up.
Lo Beams OFF: HI beams do light up with push or pull of stalk; dash indicator does light up.
DRL position on the stalk never works. IIRC the HI and DRL share the same bulb so guessing related.

I did a check of fuses I thought could be related but don't see any burned out. Maybe it's a relay? I do have TechStream installed on a laptop and thought about trying to diagnose with that?

Any ideas? :(
 
Register to hide this ad
Examine where you ‘tapped’ in very closely. Suspect there’s a fault there, you may have not repaired correctly. Strip it all back and inspect, solder the joint together or whatever you did there... good luck [emoji1694]
 
17KT4R said:
Examine where you ‘tapped’ in very closely. Suspect there’s a fault there, you may have not repaired correctly. Strip it all back and inspect, solder the joint together or whatever you did there... good luck [emoji1694]
Click to expand...

Thanks that's probably a good call, it's just wrapped with electrical tape. I figured since the highs come on if the lows are off then the cabling itself was probably fine but can't hurt to check.

daytonaviolet said:
Did you try changing the high beam bulbs ?
Click to expand...

I didn't, because they turn on if the low beams are off. Figured that ruled out needing to replace the bulbs. Who knows though, maybe worth a shot.
 
t4rlol said:
Thanks that's probably a good call, it's just wrapped with electrical tape. I figured since the highs come on if the lows are off then the cabling itself was probably fine but can't hurt to check.



I didn't, because they turn on if the low beams are off. Figured that ruled out needing to replace the bulbs. Who knows though, maybe worth a shot.
Click to expand...


You mentioned that drl does not work. Drl and high beam use same circuit. Only difference is pcm is on when drl mode.

Either bulb is damaged and won’t run In drl mode (pcm mode) or pcm mode in circuit my be bad.
 
Remove the tap, verify if the highbeams work in your test above... if not.. then it's probably a bad relay. Then go buy yourself a fuse tap and use that instead.
 
You must log in or register to reply here.

Similar threads

YotaGoat
Hi-beam trigger for light bar relay?
Replies
13
Views
4K
YotaGoat
YotaGoat
timyestim
What did I break?
Replies
4
Views
1K
timyestim
timyestim
4
2024 light headlight fog light and high beam lights
2
Replies
30
Views
22K
4runneroffroad2020
4
S
Rewire DRLs to Grill LEDs
Replies
1
Views
1K
emmantik
E
U
DRL harness to power raptor lights?
Replies
11
Views
10K
UrbanRunnerNY
U

Members online

No members online now.
Total: 3,768 (members: 0, guests: 3,768)

Forum statistics

Threads
278,316
Messages
3,554,120
Members
248,016
Latest member
Advally Service

Share this page

Trending content

Back
Top