Fog Lights issue - comes on and off - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

noogin · 03-21-2015, 11:57 PM

Hi guys I have some oem fog lights installed in my FRS with the optional on/off button on the left side dash. When I turn it on it flickers for half sec and shuts off. If I leave it on while driving it would randomly come on and stay on for a bit until it randomly shuts off, sometimes from hitting a small bump while driving. I checked the fuse and it's still good. Any ideas? The only change I've done recently was install a HID hyperblink flasher, I don't imagine that causing an issue but is it a possible culprit?

noogin · 03-22-2015, 07:32 PM

Anyone?

thatfilipinoguy · 03-22-2015, 07:37 PM

Mine are not OEM (I have winjets) BUT! I did have an issue just like this, and it turned out the inline fuse was melted. I ended up getting a new watertight inline fuse holder and swapped it out. No issues since.

You did mention hitting bumps in the road, I would follow all the wiring and make sure everything is nice and tight. It could be a loose connection somewhere.

j2digit · 04-09-2015, 04:47 AM

same thing here, nothing wrong with the wiring, bulb connector was the issue with mine. try and check those again.

FRSPhil · 04-09-2015, 09:44 AM

I'd double check yours fog light fuse or could be where the ground wires were set, like j2digit said just refollow the wires and look for loose connections.

Cole · 04-10-2015, 09:02 PM

Having this exact issue. Nothing is loose, all connections are good as well as the fuse.

Cole · 04-13-2015, 10:24 AM

May as well bump this up:

I checked everything out with a multimeter. For about ten seconds, the fog light bulb connector draws between 11-13 VDC. It then drops to 0 VDC for about ten seconds, then draws 11-13 VDC, then 0 VDC, so on and so forth. The switch is constantly drawing 11-13 VDC on the Red and Black wires, and 5 VDC on the other two (blue and green? Can't remember the colour for the other 2 switch wires). Listened while it turned on and off and it sounds like there's a relay or something clicking on and off. Thoughts?

03-21-2015, 11:57 PM	#1
noogin Member Join Date: Jul 2014 Drives: 2013 FR-S Location: ATL, GA Posts: 61 Thanks: 6 Thanked 4 Times in 3 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Fog Lights issue - comes on and off Hi guys I have some oem fog lights installed in my FRS with the optional on/off button on the left side dash. When I turn it on it flickers for half sec and shuts off. If I leave it on while driving it would randomly come on and stay on for a bit until it randomly shuts off, sometimes from hitting a small bump while driving. I checked the fuse and it's still good. Any ideas? The only change I've done recently was install a HID hyperblink flasher, I don't imagine that causing an issue but is it a possible culprit?

04-09-2015, 04:47 AM	#4
j2digit Senior Member Join Date: Apr 2013 Drives: 2000 Integra LS, 2013 FRS Firestorm Location: Bikini Bottom Posts: 271 Thanks: 108 Thanked 74 Times in 59 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	same thing here, nothing wrong with the wiring, bulb connector was the issue with mine. try and check those again. __________________ "Power is nothing without Control"

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03-22-2015, 07:32 PM	#2
noogin Member Join Date: Jul 2014 Drives: 2013 FR-S Location: ATL, GA Posts: 61 Thanks: 6 Thanked 4 Times in 3 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Anyone?

03-22-2015, 07:37 PM	#3
thatfilipinoguy Senior Member Join Date: Jul 2013 Drives: 87 Supra, 13 FRS, 05 FXT Location: Honolulu, CA Posts: 485 Thanks: 229 Thanked 144 Times in 118 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Mine are not OEM (I have winjets) BUT! I did have an issue just like this, and it turned out the inline fuse was melted. I ended up getting a new watertight inline fuse holder and swapped it out. No issues since. You did mention hitting bumps in the road, I would follow all the wiring and make sure everything is nice and tight. It could be a loose connection somewhere.

04-09-2015, 09:44 AM	#5
FRSPhil Nobody Epic Join Date: Feb 2015 Drives: 2014 WRX SWP Location: West Virginia Posts: 168 Thanks: 31 Thanked 47 Times in 23 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I'd double check yours fog light fuse or could be where the ground wires were set, like j2digit said just refollow the wires and look for loose connections.

04-10-2015, 09:02 PM	#6
Cole Not a troll Join Date: Apr 2015 Drives: FR-S Location: Canada Posts: 5,104 Thanks: 8,237 Thanked 5,399 Times in 2,694 Posts Mentioned: 266 Post(s) Tagged: 4 Thread(s)	Having this exact issue. Nothing is loose, all connections are good as well as the fuse.

04-13-2015, 10:24 AM	#7
Cole Not a troll Join Date: Apr 2015 Drives: FR-S Location: Canada Posts: 5,104 Thanks: 8,237 Thanked 5,399 Times in 2,694 Posts Mentioned: 266 Post(s) Tagged: 4 Thread(s)	May as well bump this up: I checked everything out with a multimeter. For about ten seconds, the fog light bulb connector draws between 11-13 VDC. It then drops to 0 VDC for about ten seconds, then draws 11-13 VDC, then 0 VDC, so on and so forth. The switch is constantly drawing 11-13 VDC on the Red and Black wires, and 5 VDC on the other two (blue and green? Can't remember the colour for the other 2 switch wires). Listened while it turned on and off and it sounds like there's a relay or something clicking on and off. Thoughts?

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