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OBD2 conversion - wiring request

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Old Nov 21, 2011 | 07:47 AM
  #1  
xero_xero's Avatar
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From: Griffin Ga
Default OBD2 conversion - wiring request

I have a 90 crx DX that had melted the wiring through and through. about the same time, we had a friend that just had an integra that was totaled from a dent in the rear quarter.

So, everything plugged and played except the dome light, ac/blower controls, and windshield wiper wiring.

i am looking for wire color and pinout for the windshield wiper and ac blower controls on the Integra end. i am also placing a request for the respective pinouts in another subforum.
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Old Nov 21, 2011 | 02:01 PM
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Default Re: OBD2 conversion - wiring request

Your helpers will probably require model and year for that integra..

FYI - Mark
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Old Nov 22, 2011 | 04:16 AM
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Default Re: OBD2 conversion - wiring request

bump, raining and cold.
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Old Nov 22, 2011 | 05:42 AM
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Default Re: OBD2 conversion - wiring request

Originally Posted by xero_xero
bump, raining and cold.
Sorry you're cold and wet.

But what model and year of Integra? That's pretty important, you know.
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Old Nov 22, 2011 | 07:29 PM
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From: Griffin Ga
Default Re: OBD2 conversion - wiring request

looking at a 96 teg/90crx dx. wipers fixed after a trip to honda yesterday. just looking for the AC controls.
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Old Nov 22, 2011 | 07:39 PM
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Default Re: OBD2 conversion - wiring request

The electrical troubleshooting manual seems to call it 'heater control panel' under 'Blower Controls' and 'Air Delivery'.

Looking for any particular part (e.g. fan speed) or everything in general?
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Old Nov 22, 2011 | 08:13 PM
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From: Griffin Ga
Default Re: OBD2 conversion - wiring request

specifically the controls for ac, lighting, blower sped, and ven seslection
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Old Nov 22, 2011 | 08:35 PM
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Default Re: OBD2 conversion - wiring request

Ok, well, here goes.

Two heater sub-harnesses; A and B.

B has two connectors that go to the heater control panel: C683, 6-pin white connector and C684, 14-pin green connector. The other two connect to heater sub-harness A at C677, a 14-pin grey connector and C682, an 8-pin grey connector that goes to the mode control motor (floor, defrost, heater, etc).

C683 - Heater Control switch (blower controls)
C684 - Heater Fan Switch (blower controls)

For C683, pinout & colors are:

1 - BLK (ground, point 401)
2 - BLU/WHT: pin 1 of the blower resistor; speed 2/middle
3 - BLU/BLK: speed 4/hi on the blower speed switch direct to blower motor
4 - BLU: pin 2 of the blower resistor. speed 1/slow
5 - BLU/YEL: pin 3 of the blower resistor. speed 3/med-fast
6 - GRN: to A/C switch via C684, pin 12
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Old Nov 22, 2011 | 08:54 PM
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Default Re: OBD2 conversion - wiring request

For C684, pinout & colors are:

1 - BLU/WHT: to pin 1 on the mode control motor (YEL/GRN)
2 - YEL: to pin 6 on the mode control motor (BLU/RED)
3 - YEL/BLU: to pin 7 on the mode control motor (BLU)
4 - BLK: to ground point G401
5 - GRN/RED: to recirc control motor (pin 4/GRN/RED)
6 - GRN/WHT: to recirc control motor (pin 2/GRN/WHT)
7 - YEL/RED: to pin 3 on the mode control motor (LT GRN/WHT)
8 - ?N/A? apparently
9 - RED/BLK: to Dash/Console lights (feeds dimmer function in the heater cntl panel)
10- RED: to Dash/Console lights (part of heater control panel lights ckt)
11- BLU/RED: to pin 2 of the A/C Thermostat
12- GRN: from C683 pin 6, heater fan switch
13- ? N/A ? apparently
14- BLK/YEL: to fuse 13 under-dash fuse/relay panel

pin 7 VENT
pin 8 BI-LEVEL
pin 1 HEAT
pin 2 H/DEFROST
pin 3 DEFROST
pins 5/6 Fresh/Recirculate switch (grounds either 5 or 6)
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