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1G 90 1g TCU wiring diagram

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911gdsmboostin

Proven Member
390
22
Sep 5, 2014
Irwin, Pennsylvania
Hey guys I have recently bought a shift box for my fwd auto 90 talon. I've found the tcu which looks identical to the ecu and is right behind it. Now to wire it in I need to find a wiring diagram but can't seem to find one online anywhere or on the fourms. Any help or direction would help or if anyone knows wha wires I need to find to wire in this shift box thanks

Also I have found some descriptions of tcu diagrams but mine had 3 plugs jus like the ecu I haven't seen any like mine yet
 

I appriciate the reply I found this thread before I started this one. The problem I was having was figuring out of it was the same as a 90 and or trying to find a color code. The instructions I have had me thinking I was looking for a red wire off the fuse block. I'm pretty sure it's the 2 blue and purple wires.. I honestly was probly over thinking it. But thank you for the reply. I may start a thread for this to make it simple to understand with the color codes.
 
For a '90 TCU:

C-52
[51][52][53][XX][54][55][56]
[57][58][59][60][61][62][63]​

51 - White, to pin 2 of Pulse Generator
52 - Green, to pin 4 of Pulse Generator
53 - Brown w/ black stripe, to pin 3 of Auto Transmission Kickdown Servo Switch
54 - Brown w/ red stripe, to pin 1 of Auto Transmission Kickdown Servo Switch
55 - None
56 - Red w/ black stripe, to Fuse 19 of inside Junction Block
57 - Black, to pin 1 of Pulse Generator
58 - Red, to pin 3 of Pulse Generator
59 - Brown w/ green stripe, to pin 2 of Auto Transmission Kickdown Servo Switch
60 - Light Green w/ yellow stripe, (1.8L) to pin 3 of Throttle Position Sensor, (2.0L) to pin 4 of Throttle Position Sensor
61 - Yellow w/ white, to (1) pin 12 of Self-Diagnosis connector and (2) pin 29 of Combination Meter (Gauge Cluster)
62 - Blue w/ Yellow, to pin 1 of Auto Transmission Fluid Temperature Sensor
63 - Black, ground, to grounding location #7

C-53
[01][02][03][04][05][XX][XX][06][07][08][09]
[10][11][12][13][14][15][16][17][18][19][20]​

1 - Yellow w/ green stripe, to pin 10 of Self-Diagnosis connector
2 - Red w/ white stripe, to auto-cruise control unit pin 13 (if so equipped)
3 - Red w/ blue stripe, to pin 7 of Inhibitor switch
4 - Yellow, to pin 6 of Inhibitor switch
5 - Yellow w/ red stripe, to pin 5 of Inhibitor switch
6 - Red, to Auto Trans Solenoid Valve - Damper Clutch Control (pin 2 of Solenoid Valve connector)
7 - Yellow w/ blue stripe, to Auto Trans Solenoid Valve - Shift Control Solenoid Valve B (pin 4 of Solenoid Valve connector)
8 - Brown, to pin 1 of Accelerator Pedal switch
9 - Yellow w/ white stripe, to pin 1 of Power/Economy Change Over Switch
10 - Black, ground, to grounding location #7
11 - Blue w/ black stripe, to junction between pin 4 of Inhibitor switch and fuse 7 of interior junction block
12 - Black w/ yellow stripe, to pin 3 of Inhibitor switch
13 - Black w/ white stripe, to pin 2 of Inhibitor switch
14 - Yellow w/ black stripe, to pin 1 of Inhibitor switch
15 - Blue, to Auto Trans Solenoid Valve - Oil Pressure Control (pin 1 of Solenoid Valve connector)
16 - Orange, to Auto Trans Solenoid Valve - Shift Control Solenoid Valve A (pin 3 of Solenoid Valve Connector)
17 - None
18 - White, (2.0L) to pin 1 of the noise filter for the tachometer signal or (1.8L) to pin 2 of the CRC filter
19 - Yellow w/ red stripe, to pin 6 of Self-Diagnosis connector
20 - Green w/ yellow stripe, to pin 1 of A/C Dual Pressure switch
 
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