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Integrated Unit
I am almost finished "dieting" the wiring harness from my '02 WRX donor car to use in my 818. Refering to the wiring diagrams, it looks like the "Integrated Unit" module controls door switches and cabin lights. Anybody know for sure if I can delete this module and wires to source?
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Originally Posted by
tmoretta
I am almost finished "dieting" the wiring harness from my '02 WRX donor car to use in my 818. Refering to the wiring diagrams, it looks like the "Integrated Unit" module controls door switches and cabin lights. Anybody know for sure if I can delete this module and wires to source?
If I'm not mistaken, the Integrated Unit also controls brake lights and a few other items... I would double check the diagrams to make sure.
818S - #67 (SOLD IT!)
Delivered: 18 November 2013
Go Karted: 29 December 2013
Titled/Registered: 28 March 2014
Finished: NEVER!
341 hp @ 4844 RPM / 389 tq @ 3717 RPM
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Thanks I will re-check. Anybody else know?
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V9 STI Twin scroll!!!
Hi tmoretta the info that I can help you with is for a 2004 STI, but I'm working in a 2004 WRX wiring and the integrated unit is exacly the same... Blue Plug
1: (LR) K/L-02 (Keyless Entry Module?)
2: (WB) Battery Power Supply
3: Key Lock Solenoid
4: (B) Ground
5: (L) Room Light
6: (Or) Lock All Doors (Actuators)
7: (RG) Unlock Passenger Doors (Actuators)
8: (R) Unlock Driver Door (Actuator)
9: Shift Lock Solenoid
10: (L) FB-15 Rear Defogger Relay
11: (BL) Seatbelt Warning Light
12
13: (B) Ground
14
15
16
Gray Plug
1: (R) Rear Defogger Switch
2: (YB) Key Illumination Light
3: (BrR) Seatbelt Switch
4
5: Inhibitor Switch ("P" range)
6: "P" (Park) Range Switch
7: (Y) + All Passenger Door Switches
8: (LOr) + Drivers Door Switches
9: Stop (Brake?) Light Switch
10: Ignition Switch ACC
11: (YR) Lock/Unlock? Doors (Switch)
12: (RW) Lock/Unlock? Doors (Switch)
13: (OrW) Keyless Entry Control Module Pin 1
14: (OrB) Keyless Entry Control Module Pin 2
15: (V) Illumination
16: (GrR) Lighting Switch (V3)
17: (LW) Trunk Light
18: (L) Lighting Switch (V2)
19: (GR) Ignition Switch IG
20: (WR) Key Warning Switch
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V9 STI Twin scroll!!!
IMGA0308.JPG this is my integrated unit and the numbers match a 2004 sti, by the way I do not have the credit for this info I got it on a subaru forum (IWSTI), good luck...
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Senior Member
mxl seems to be correct. I don't see any issue deleting this plug as it appears to only control doors, interior lights, and other non essential functions.
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Yes. Not exactly the same as mine - FE021. Looks like I don't need anything from the blue plug as all of those components have been removed, except maybe #3 the key lock solenoid. In the gray plug, I may have to maintain #10, 19 and 20. Probably easier just to mount the thing in my 818 just in case.
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Senior Member
What exactly is wired into 10, 19, and 20 that makes you have to keep it?
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V9 STI Twin scroll!!!
Hello EODTech87, I'm a litle in tmoretta situation I'm not sure if the integrated unit can be totally deleted, in my case the dieted warness is going back to my WRX race car, will the car still start after removind 10/19 of the gray plug??? and I also need my rear defogger to work, back her temperatures can go to -30 and lots of snow... and I think the defogger won't work...
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Senior Member
The car will still still start after removing pin 10 and 19 from the grey plug. I'm not sure on the rear defroster but worst case you could rewire it to bypass the module if need be.
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Ignition switch and key warning.
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Senior Member
The ignition switch lines that go to pin 10 and 19 are power coming from the switch to the Integrated Unit so removing them won't affect the ignition switch what so ever.
Removing the key warning wire might deactivate that feature but if you don't have the driver door open/close switch wired in as well then its probably not going to work anyways.
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Senior Member
One thing I ran into with the Integrated Unit is pin number 14 on the Blue Plug is a Orange/White wire that is the ground for the dash lights and in order to keep these working I believe those wires will need to be wiring into another ground. I'm guessing it's wired like this to allow the integrated unit to turn off the lights after a set amount of time to keep the battery from running down if they are left on.
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