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Old 03-24-2014, 04:02 AM   #1
BlackBMWs
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Default Where does the Reverse switch wire enter the cabin

Installed a Clown Nose mirror off of an E39 530i today. I was lucky to find one with about 4ft of the required wiring still attached. So, I wired 4 of the 5 required wires at the glovebox. No issue. Mirror dims/blues fine. Alarm LED works.



The issue is that I could not locate the Reverse switch wire to tap into. ETK for my 97 says it should be a BL/GR wire from the switch back to the reverse lights. I found two Blue/Green wires under the passenger seat as a few posts have indicated but in the ACC/RUN position, but one has a constant 12v+/- whether it is in reverse or not. The other larger BL/GR wire has no power at all. The reverse lights work just fine. I suspect I am picking up the BL/GR before it gets to the reverse switch.

Anyone else who have wired their mirrors, recollect where specifically you tapped into? Specifically what location under the glovebox or under the passenger seat did you tap?

The dimming works very well, under the right condition it dims in about 30 seconds. I'll compare with the one on my E39. I never noticed if it takes that long as well. Just as a note, I need to see if the Python alarm I have can produce additional output as the led is dimmer than my E39 and does not blink.

Thanks much!
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

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Last edited by BlackBMWs; 03-24-2014 at 04:08 AM.
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Old 03-26-2014, 04:11 AM   #2
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An update to my previous question: Does anyone know what signal I should expect in testing for the reverse switch? I'm thinking it may have been the thicker of the two BL/GR wires and while I detected no trigger voltage on the wire perhaps I should be testing for something else.

Figured out the lack of blink is because I don't have a BMW Alpine based alarm. It's a Viper Python and it was set to Valet mode. Looked up the alarm and reset it to normal mode. Blinks now as normal, just about as bright as my E39.

Worthwhile update. My 325i is next.
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

BMWCCA #160411

SUPPORT 318ti.org! CLICK THE LINK ABOVE!
Hosting a forum like this is not free. 318ti.org is one of the best BMW forums on the web because it is member supported, not vendor supported. The cost to become a Supporter is a nominal $10.00... A YEAR! DO IT! NOW!

Last edited by BlackBMWs; 03-26-2014 at 04:15 AM.
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Old 03-31-2014, 01:24 AM   #3
xxxJohnBoyxxx
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On my car 1997 manual shift the reverse switch is on the transmission and controls the rear reverse lights. I'm not sure if a wire enters the cabin unless you are automatic. A bentley will tell which wire goes where.

What do you need the reverse light wiring location for? Just interested, could be a simple rev camera or smoke screen even oil slick to evade chase
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Old 03-31-2014, 02:58 AM   #4
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Quote:
Originally Posted by xxxJohnBoyxxx View Post
On my car 1997 manual shift the reverse switch is on the transmission and controls the rear reverse lights. I'm not sure if a wire enters the cabin unless you are automatic. A bentley will tell which wire goes where.

What do you need the reverse light wiring location for? Just interested, could be a simple rev camera or smoke screen even oil slick to evade chase
Hi John! to automate the tire spikes and chaff in a quick run away.

Nah, just the trigger for the auto dimming mirror. I also have a 97 manual. ETK, Bentley and forums indicate it is a Blue wire with a green stripe. I assume it is not constant 12v, as one Blue/GR wire is presenting, so my other BL/GR wire choice has no current either in reverse or out of reverse, yet the rear lights will responding accordingly if in reverse or not. I assume the switch on the tranny will close in reverse providing 12v, yet I don't see any state change either in reverse or out of reverse.

I'm not the brightest bulb when it comes to electrical work. Sensing current it the extent of my working knowledge. Seeking to get better tho to tackle heated seats for the TI and my vert.
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

BMWCCA #160411

SUPPORT 318ti.org! CLICK THE LINK ABOVE!
Hosting a forum like this is not free. 318ti.org is one of the best BMW forums on the web because it is member supported, not vendor supported. The cost to become a Supporter is a nominal $10.00... A YEAR! DO IT! NOW!

Last edited by BlackBMWs; 03-31-2014 at 04:33 AM.
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Old 07-03-2014, 09:30 AM   #5
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dude I'm planning buying a autodim mirror as yours... so I can see there is not problem with the mounting? most mirrors in ebay have similar connector to the windshield but i was not really sure about it, i would take your way, trying to find an e39's.. thnks ford sharing
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Old 07-03-2014, 04:33 PM   #6
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Looks like it's time to bust out the Oval Mirror hiding in my garage somewhere. Will this mod work on a 1995 per chance?
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Old 07-03-2014, 06:06 PM   #7
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Quote:
Originally Posted by AnuketTi View Post
Looks like it's time to bust out the Oval Mirror hiding in my garage somewhere. Will this mod work on a 1995 per chance?
Good Morning Michael!

I will be doing this mod on Serene's 95 TI. I'm using a clown nose mirror off a E39 to get the alarm LED up high. I have one to install for the Cali and need to find one more for the 95. I have a few non-clown nose self dimming mirrors if you need one.
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

BMWCCA #160411

SUPPORT 318ti.org! CLICK THE LINK ABOVE!
Hosting a forum like this is not free. 318ti.org is one of the best BMW forums on the web because it is member supported, not vendor supported. The cost to become a Supporter is a nominal $10.00... A YEAR! DO IT! NOW!
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Old 07-03-2014, 06:30 PM   #8
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Quote:
Originally Posted by BlackBMWs View Post
Good Morning Michael!

I will be doing this mod on Serene's 95 TI. I'm using a clown nose mirror off a E39 to get the alarm LED up high. I have one to install for the Cali and need to find one more for the 95. I have a few non-clown nose self dimming mirrors if you need one.
Hiya Rich!

I have an M5 Oval mirror buried somewhere in that garage of mine (I believe). I'm going to try to use that one. I am sure I have a Clown Nose E39 mirror laying around as well you can have.
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Old 07-06-2014, 12:08 AM   #9
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Quote:
Originally Posted by BlackBMWs View Post
Good Morning Michael!

I will be doing this mod on Serene's 95 TI. I'm using a clown nose mirror off a E39 to get the alarm LED up high. I have one to install for the Cali and need to find one more for the 95. I have a few non-clown nose self dimming mirrors if you need one.
Quote:
Originally Posted by fco.cortes View Post
dude I'm planning buying a autodim mirror as yours... so I can see there is not problem with the mounting? most mirrors in ebay have similar connector to the windshield but i was not really sure about it, i would take your way, trying to find an e39's.. thnks ford sharing
any of the 740iL and 540i mirrors will work...actually any BMW mirror will work. They all mount the same way. I have one on my ti as well... I connected the reverse wire for the mirror to a switch though. My switch acts as a dual purpose switch, when pressed in it allows for the EWS signal to go to the DME and crank the car when i turn the key and it also gives power to the reverse wire to the mirror so it clears up (stops the dimming). Reason I have it this way is because I had it as an automatic and swapped a manual tranny.
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Float like a cadilac, sting like a BIMMER

.... my socket is just too thick and won't fit in the hole! damnit!


Marv's 332ti is in the werks. Stay tuned ya'll ...

Check list: S52 swap, manual transmission swap, 3.25 LSD with M Coupe diff cover, SuperSprint muffler, M3 style mirrors, AFE intake, ASC delete, M50 Manifold swap, UUC strut bar, ZHP lighted knob, Vaders, M-tech interior, OEM armrest, AC Schintzer front lip, AC Schnitzer rear spoiler, Roof spoiler, 18'' rims, M3 front drilled brakes, LED interior lights, 3 spoke Euro style steering wheel, OEM roof spoiler and bike holder, Thule fairing, Euro tail lights, oil pressure guage, carbon fiber hood painted to original paint (still showing CF weaving), what's next to do...?
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Old 07-08-2014, 05:04 AM   #10
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Quote:
Originally Posted by Marv17 View Post
any of the 740iL and 540i mirrors will work...actually any BMW mirror will work. They all mount the same way. I have one on my ti as well... I connected the reverse wire for the mirror to a switch though. My switch acts as a dual purpose switch, when pressed in it allows for the EWS signal to go to the DME and crank the car when i turn the key and it also gives power to the reverse wire to the mirror so it clears up (stops the dimming). Reason I have it this way is because I had it as an automatic and swapped a manual tranny.
ok, thnks for reply. But my question goes to the connection.. which wires do I have to plug in to dome light? also I would like to use the nose clown, do you know the wire color for those?

thnks
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Old 07-08-2014, 05:09 AM   #11
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Quote:
Originally Posted by fco.cortes View Post
ok, thnks for reply. But my question goes to the connection.. which wires do I have to plug in to dome light? also I would like to use the nose clown, do you know the wire color for those?

thnks
http://bimmerboard.com/members/clex2...ring%20DIY.doc This is what I used.
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

BMWCCA #160411

SUPPORT 318ti.org! CLICK THE LINK ABOVE!
Hosting a forum like this is not free. 318ti.org is one of the best BMW forums on the web because it is member supported, not vendor supported. The cost to become a Supporter is a nominal $10.00... A YEAR! DO IT! NOW!
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Old 07-08-2014, 05:18 AM   #12
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Ah. I can't remember what the wires were. I'll try to find that thread on bimmerforums I used. I have it all wired up but don't want to take it apart. Haha. Sorry. I'll get back to you
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-Theta Chi-
Float like a cadilac, sting like a BIMMER

.... my socket is just too thick and won't fit in the hole! damnit!


Marv's 332ti is in the werks. Stay tuned ya'll ...

Check list: S52 swap, manual transmission swap, 3.25 LSD with M Coupe diff cover, SuperSprint muffler, M3 style mirrors, AFE intake, ASC delete, M50 Manifold swap, UUC strut bar, ZHP lighted knob, Vaders, M-tech interior, OEM armrest, AC Schintzer front lip, AC Schnitzer rear spoiler, Roof spoiler, 18'' rims, M3 front drilled brakes, LED interior lights, 3 spoke Euro style steering wheel, OEM roof spoiler and bike holder, Thule fairing, Euro tail lights, oil pressure guage, carbon fiber hood painted to original paint (still showing CF weaving), what's next to do...?
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Old 07-08-2014, 05:27 AM   #13
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http://forums.bimmerforums.com/forum....php?t=2043380

Check out that link. That's what I read and followed.
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-Theta Chi-
Float like a cadilac, sting like a BIMMER

.... my socket is just too thick and won't fit in the hole! damnit!


Marv's 332ti is in the werks. Stay tuned ya'll ...

Check list: S52 swap, manual transmission swap, 3.25 LSD with M Coupe diff cover, SuperSprint muffler, M3 style mirrors, AFE intake, ASC delete, M50 Manifold swap, UUC strut bar, ZHP lighted knob, Vaders, M-tech interior, OEM armrest, AC Schintzer front lip, AC Schnitzer rear spoiler, Roof spoiler, 18'' rims, M3 front drilled brakes, LED interior lights, 3 spoke Euro style steering wheel, OEM roof spoiler and bike holder, Thule fairing, Euro tail lights, oil pressure guage, carbon fiber hood painted to original paint (still showing CF weaving), what's next to do...?
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Old 04-15-2015, 07:45 AM   #14
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Still looking to connect the reverse wire into the right place on the ti. I have Clown nose and auto dimming working just fine.
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1998 318ti Sport - "Cali" Schwartz II/Schwartz sport interior, Cali top
1998 318ti Sport - "Max" Schwartz II/Schwartz sport interior, S52
1997 318ti Sport - "Tiny" Schwartz II/Schwartz sport interior
1995 318ti Active - "Blanca" Alpineweib III/Schwartz leather interior

Other Current Bimmers: 2006 530i / 2000 2.3L Z3 / 1997 1.9L Z3 / 1999 540it

1997 318ti Sport - "Huera" - RIP
1995 318ti Active - RIP
1995 318ti Sport - "Tiny" Sold
1994 325i Sedan - "Jade" - Sold
1991 318ic - "Bert" - Sold
1985 635csi sold
1984 533i "Max" Sold
1984 318i sold

BMWCCA #160411

SUPPORT 318ti.org! CLICK THE LINK ABOVE!
Hosting a forum like this is not free. 318ti.org is one of the best BMW forums on the web because it is member supported, not vendor supported. The cost to become a Supporter is a nominal $10.00... A YEAR! DO IT! NOW!
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Old 04-15-2015, 07:52 PM   #15
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Isn't it in the bunches by the steering coloum blue/yellow

http://wedophones.com/Manuals/BMW/19...g%20Manual.pdf

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