Fog Light Indicator Always On
04-07-2014, 11:11 AM
#1
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Fog Light Indicator Always On
My 99 doesn't have foglights. Recently I've noticed that my fog light indicator on my dash is always on.
I have ebay reverse glow gauges installed, and also did a fuse tap to power my boost/oil pressure/WBO2 gauges--I have a feeling the issue is related to one of these.
I'm going to tear everything apart again here and see if I can find a crossed wire somewhere.. but assuming that I can't, does anyone see a problem with me just pulling the bulb? Or is there something else that I can check out first if all the wiring seems to be okay behind the dash?
---
Edit: I also found this. http://www.miataforumz.com/nb-1998-2...g-diagram-341/
But no mention of fog light indicator so I'm not sure which pin it is...
I have ebay reverse glow gauges installed, and also did a fuse tap to power my boost/oil pressure/WBO2 gauges--I have a feeling the issue is related to one of these.
I'm going to tear everything apart again here and see if I can find a crossed wire somewhere.. but assuming that I can't, does anyone see a problem with me just pulling the bulb? Or is there something else that I can check out first if all the wiring seems to be okay behind the dash?
---
Edit: I also found this. http://www.miataforumz.com/nb-1998-2...g-diagram-341/
But no mention of fog light indicator so I'm not sure which pin it is...
copied from BarbyCar in the LED gauge cluster thread....
Here is the pinout for the 2000 if that helps.
They are in the wiring diagram section C-a and C-b but for those without diagrams, here they are:
There are three connectors 1, 2 and 3. From the driver's seat 1 is on the left, 3 in the middle and 2 on the right. Each connector pinout starts at "a" and the blue circuit is labelled with an appropriately placed "a".
1a= BR/B - Fuel System (ECU and fuel gauge sender)
1b= BR/Y - Cruise Light (from cruise module)
1c= B/Y +12v Switched (from meter fuse)
1d= No wire or P/B - If applicable, ABS light (from ABS module)
1e= No wire or R/W - If applicable, Automatic O/D light (from transmission control module)
1f= L/R +12v Unswitched from Room fuse
1g= Not used
1h= W - DRL module (high beam light) - No wire if no DRL
1i= R/Y - Headlight relay (via LH headlight fuse) - note R if no DRL
1j= not used
1k= not used
1L= W/R - Door switch (interior lights)
1m= Y - Speed sensor for manual. No wire for automatic
1n= B/L - Ground
1o= not used
1p= V - Start signal - from ign switch on manual. B/R from transmission control module if auto
2a= V/W - Water temp (from temp sensor)
2b= L/W Seat belt (seat belt switch - driver's side reel)
2c thru 2j not used
2k= G/O - ECU (and data link connector - also transmission control module if auto)
2L= W/B - ECU and cruise control module
2m= O - Speed sensor for manual. B/W from transmission control module for auto
2n= not used - goes to empty lamp socket
2o= W/L - ECU - controls CEL
2p= not used
3a= G/B - Left turn signal
3b= BR/R - ECU
3c= L/Y - Brake fluid light (and DRL control module. If no DRL then also to parking brake switch)
3d= BR - Air Bag module (and data link connector)
3e= Y/R - Oil Pressure "gauge" switch
3f= L/O - Key reminder switch
3g= R/B - Instrument lights +12v from TNS relay
3h= GY/R - Instrument lights dimmer control to ground
3i= G/W - Right turn signal
3j= B - Ground (connects internally in cluster to high beam light if no DRL)
L=Blue, B=Black, BR=Brown, G=Green, GY=Grey, O=Orange, R=Red, W=White, Y=Yellow & V=Violet
Here is the pinout for the 2000 if that helps.
They are in the wiring diagram section C-a and C-b but for those without diagrams, here they are:
There are three connectors 1, 2 and 3. From the driver's seat 1 is on the left, 3 in the middle and 2 on the right. Each connector pinout starts at "a" and the blue circuit is labelled with an appropriately placed "a".
1a= BR/B - Fuel System (ECU and fuel gauge sender)
1b= BR/Y - Cruise Light (from cruise module)
1c= B/Y +12v Switched (from meter fuse)
1d= No wire or P/B - If applicable, ABS light (from ABS module)
1e= No wire or R/W - If applicable, Automatic O/D light (from transmission control module)
1f= L/R +12v Unswitched from Room fuse
1g= Not used
1h= W - DRL module (high beam light) - No wire if no DRL
1i= R/Y - Headlight relay (via LH headlight fuse) - note R if no DRL
1j= not used
1k= not used
1L= W/R - Door switch (interior lights)
1m= Y - Speed sensor for manual. No wire for automatic
1n= B/L - Ground
1o= not used
1p= V - Start signal - from ign switch on manual. B/R from transmission control module if auto
2a= V/W - Water temp (from temp sensor)
2b= L/W Seat belt (seat belt switch - driver's side reel)
2c thru 2j not used
2k= G/O - ECU (and data link connector - also transmission control module if auto)
2L= W/B - ECU and cruise control module
2m= O - Speed sensor for manual. B/W from transmission control module for auto
2n= not used - goes to empty lamp socket
2o= W/L - ECU - controls CEL
2p= not used
3a= G/B - Left turn signal
3b= BR/R - ECU
3c= L/Y - Brake fluid light (and DRL control module. If no DRL then also to parking brake switch)
3d= BR - Air Bag module (and data link connector)
3e= Y/R - Oil Pressure "gauge" switch
3f= L/O - Key reminder switch
3g= R/B - Instrument lights +12v from TNS relay
3h= GY/R - Instrument lights dimmer control to ground
3i= G/W - Right turn signal
3j= B - Ground (connects internally in cluster to high beam light if no DRL)
L=Blue, B=Black, BR=Brown, G=Green, GY=Grey, O=Orange, R=Red, W=White, Y=Yellow & V=Violet
Last edited by mlev; 04-07-2014 at 11:24 AM.
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04-07-2014, 12:31 PM
#2
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Join Date: Nov 2013
Location: Wisconsin
Posts: 655
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Well, turns out it was actually my CEL. I deleted my EGR while I had everything torn apart for my clutch/coolant reroute (and also forgot to hook up the MAF and IAT connectors before firing it back up...heh...)
Which is weird, because I'm pretty sure there's a spot for the CEL between the tach and speedo on that little cluster.
Oh well, problem solved I suppose.
Which is weird, because I'm pretty sure there's a spot for the CEL between the tach and speedo on that little cluster.
Oh well, problem solved I suppose.
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