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2008 Lexus IS250 Alarm/Remote Start/Stereo Wiring


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hulign 
Member - Posts: 10
Member spacespace
Joined: March 14, 2007
Location: United States
Posted: April 01, 2008 at 8:06 AM / IP Logged  
Looking for info...
these are the important items
12v
ign
a wire that can interrupt the vehicle starting
horn
thanks for any and all help
Frank
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
Location: United Kingdom
Posted: April 01, 2008 at 11:38 AM / IP Logged  
Ign wil probably be BLACK/ red, starter probably BLACK/ white; test.
KarTuneMan 
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Joined: December 14, 2004
Location: Isle Of Man
Posted: April 01, 2008 at 11:56 AM / IP Logged  
12 VOLTS Go to Battery     
 IGNITION Yellow At Power Module (pin-35)   + 
The Power Module is located behind the glovebox on the far right side
 IGNITION 2 Lt.blue At Power Module (pin-34)   + 
The Power Module is located behind the glovebox on the far right side
 ACCESSORY Green At Power Module (pin-11)   + 
 The Power Module is located behind the glovebox on the far right side
 STARTER Blue At Power Module (pin-15)   + 
The Power Module is located behind the glovebox on the far right side
 STARTER 2 Violet At Power Module (pin-17)   + 
The Power Module is located behind the glovebox on the far right side
 TACH SIGNAL White At diagnostic plug under driver's side dash   AC 
 LOCK blue At switch assembly in driver's door   - 
 UNLOCK White (double pulse) At switch assembly in driver's door   - 
 DOORPIN Violet or Pink At driver's side Body ECU   - 
The driver's side Body ECU is part of the fusebox under the driver's side dash. This wire is located in a 10-pin connector.
 TRUNK PIN Green or Blue At passenger side Body ECU   - 
 The passenger side Body ECU is part of the fusebox behind the glovebox. This wire is located in a 28-pin connector.
 TRUNK RELEASE Pink At passenger side Body ECU   - 
The passenger side Body ECU is part of the fusebox behind the glovebox. This wire is located in a 28-pin connector.
 FACTORY ARM Arms with lock wire     
 FACTORY DISARM Disarms with unlock wire     
 BRAKESWITCH RED / black At switch above brake pedal   + 
 PARKLIGHTS Yellow In 28-pin plug on driver's side fusebox   + 
 HORN White At top of steering column   - 
 VSS WIRE Blue At Audio Amplifier in passeger side of trunk   AC 
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: April 01, 2008 at 12:47 PM / IP Logged  
There you go Gary, I was trying to be clever doing the previous model off memory!!!
hulign 
Member - Posts: 10
Member spacespace
Joined: March 14, 2007
Location: United States
Posted: April 01, 2008 at 1:02 PM / IP Logged  
Thanks Guys!!!
I don't have the car here yet but I knew it would be different than previous models. I'll post back and let you know if I let the smoke out of anything...lol
Frank
Chris Luongo 
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Joined: May 21, 2002
Location: Massachusetts, United States
Posted: April 01, 2008 at 6:52 PM / IP Logged  
I've only done remote starters in these, but:
--At the driver's fuse box, there are a couple of thick constant-power wires.
--Also at the fusebox there are plenty of wires that test as ignition.
--Since the car can't be started without putting your foot on the brake, I would think if you just hooked up a "starter kill" onto the brake wire, that'd work.
hulign 
Member - Posts: 10
Member spacespace
Joined: March 14, 2007
Location: United States
Posted: April 01, 2008 at 7:24 PM / IP Logged  
Got it all handled....
Chris... You nailed it. I used large gauge wires by the fuse box for my hot(Black) and ign(blue) the (white) for the horn.
The "starter kill" we use is pretty low draw but I try for larger gauge wires whenever possible.
I don't trust how smart these cars are so I went to the module and interrupted the (blue) start wire. Went off without a hitch and no check engine lights.
Thanks all for the help!
Frank

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