Connector Index
Connector IndexT1 Single-pt. connector in board computer harness Color: Yellow (from 1990)
Single-pt. connector in instrument panel harness Color: Grey
Single-pt. connector in right-side engine compartment harness Color: Brown
Single-pt. connector in right-side engine compartment harness Color: White
T1a Single-pt. connector in A/C control unit harness Color: White
Single-pt. connector in cruise control harness
Single-pt. connector in power mirror harness Color: Blue
Single-pt. connector in right-side engine compartment harness Color: White
Single-pt. connector near sunroof motor
T1b Single-pt. connector in automatic transmission harness
Single-pt. connector in engine harness
single-pt. connector in right-side engine compartment harness
T1c Single-pt. connector in automatic transmission harness Color: Brown
Single-pt. connector in automatic transmission harness Color: Natural
Single-pt. connector in board computer harness Color: Yellow
Single-pt. connector in engine harness Color: Yellow
single-pt. connector in right-side engine compartment harness Color: Brown
Single-pt. connector near sunroof motor
T1d Single-pt. connector in anti-theft harness Color: Green
Single-pt. connector in power window harness
Single-pt. connector near sunroof motor
T1e Single-pt. connector in left-side engine compartment harness
T1f Single-pt. connector in central locking harness Color: Red
Single-pt. connector in instrument panel harness Color: Brown
T1g Single-pt. connector in power window harness
T1h Single-pt. connector in A/C control unit harness Color: White
Single-pt. connector in right-side engine compartment harness Color: White
T1i Single-pt. connector in A/C compressor control harness Color: Green
Single-pt. connector in auxiliary instrument harness Color: Blue
T1j Single-pt. connector
Coupe Quattro: in anti-theft harness
Except Coupe Quattro: in central locking harness Color: Black
T1k Single-pt. airbag voltage supply connector behind instrument panel Color: Red
Single-pt. connector behind instrument panel
Single-pt. connector in power window harness
T1m Single-pt. connector in cruise control harness Color: Natural
Single-pt. connector in power mirror harness Color: Blue
T1n Single-pt. connector in power mirror harness Color: White
T1p Single-pt. connector
in A/C compressor control harness (1988-1990)
automatic transmission harness (from 1991) Color: Green
Single-pt. connector in heated lock harness Color: Brown
T1q Single-pt. connector in instrument panel harness Color: Red
T1r Single-pt. connector in automatic transmission harness Color: Red
Single-pt. connector in right-side engine harness Color: Red
Single-pt. connector near sunroof motor
T1s Single-pt. connector in right-side engine compartment harness Color: Yellow
Single-pt. connector near sunroof motor
T1t Single-pt. connector in headlight washer harness Color: Black
T2 2-pt. connector in automatic transmission harness
2-pt. connector in fuel pump harness
2-pt. connector in left-side engine compartment harness
2-pt. connector near sunroof motor Color: White
2-pt. diagnostic connector in automatic transmission harness Color: Yellow
T2a 2-pt. connector in automatic transmission harness
2-pt. connector in rear harness Color: White
2-pt. connector under left side of rear seat
T2b 2-pt. connector in right-side engine compartment harness
2-pt. connector in seat belt warning harness Color: Black
T2c 2-pt. connector in interior lights harness
2-pt. connector under right side of rear seat
T2d 2-pt. connector behind center console Color: Gray
2-pt. connector in console harness Color: Black
T2e 2-pt. connector in right-side engine compartment harness Color: Gray
2-pt. connector left front door harness
T2f 2-pt. connector in heated lock harness Color: Black
2-pt. connector in right-side engine compartment harness Color: Brown
T2g 2-pt. connector in heated lock harness Color: Black
2-pt. diagnostic connector in right-side engine compartment harness Color: Black
T2h 2-pt. connector behind center console Color: Gray
T2i 2-pt. connector in compressor control harness Color: Green
T2j 2-pt. connector in left-side engine compartment harness Color: Green
2-pt. connector in rear harness Color: White
T2k 2-pt. connector in instrument panel harness Color: Yellow
2-pt. connector in rear harness
T2l 2-pt. connector in left rear light assembly
T2m 2-pt. connector
Coupe Quattro: in right rear light assembly
80/90: in illuminated entry harness Color: Green
T2n 2-pt. connector in right-side engine compartment harness Color: White
T2o 2-pt. connector in temperature sensor harness Color: Red
T2p 2-pt. connector in blower motor (fresh air fan) harness or A/C control unit harness (1991 Coupe Quattro)
T2q 2-pt. connector in instrument panel harness Color: Yellow
T2r 2-pt. connector in airbag harness Color: Red
2-pt. connector in anti-theft harness Color: Green
T2s 2-pt. connector in airbag harness Color: Red
2-pt. connector in anti-theft system harness Color: White
T2t 2-pt. connector in rear lid harness Color: Black
T3 3-pt. connector beneath driver's seat
3-pt. connector in cruise control harness Color: Blue
3-pt. connector in rear lid harness Color: Black
3-pt. connector in right-side engine compartment harness Color: Black
3-pt. connector in right-side engine compartment harness Color: Brown
T3a 3-pt. connector beneath driver's seat
3-pt. connector in automatic transmission harness Color: White
3-pt. connector in right-side engine compartment harness Color: Brown
T3b 3-pt. connector behind instrument panel Color: Blue
3-pt. connector beneath driver's seat
3-pt. connector in cruise control harness Color: Blue
T3c 3-pt. connector in right-side engine compartment harness Color: Black or Blue
T3d 3-pt. connector in right-side engine compartment harness (except 1988) Color: Red
T3e 3-pt. connector in interior lights harness Color: Green
T3f 3-pt. connector in interior lights harness
T3g 3-pt. connector in reading lights harness
T3h 3-pt. connector in instrument panel harness Color: Brown
T3i 3-pt. connector behind instrument panel
T3j 3-pt. connector in anti-theft harness Color: Black
3-pt. connector in central locking harness Color: Black
3-pt. connector in cruise control harness
3-pt. connector near sunroof
T3k 3-pt. connector in anti-theft harness Color: Gray
3-pt. connector in right-side engine compartment harness Color: Red
T3l 3-pt. connector in right-side engine compartment harness Color: White
T3m 3-pt. connector in right-side engine compartment harness Color: Black
T3n 3-pt. connector in right-side engine compartment harness Color: Grey
T3o 3-pt. connector in reading light harness
T3p 3-pt. connector in interior light harness
T3q 3-pt. connector in rear harness Color: Black
T3r 3-pt. connector in rear harness Color: White
3-pt. connector in right rear harness Color: Brown
T3s 3-pt. connector in instrument panel harness Color: Black
T3t 3-pt. connector in instrument harness Color: Gray
T3u 3-pt. connector near sunroof motor
T4 4-pt. connector in board computer harness Color: Red (from 1989)
4-pt. connector in left-side engine compartment harness Color: Green
4-pt. connector in power window harness Color: White
4-pt. connector near sunroof motor
4-pt. in left-side engine compartment harness Color: Green
T4b 4-pt. connector in instrument panel harness Color: Red
T4c 4-pt. connector in cruise control harness
4-pt. connector in right-side engine compartment harness
T4d 4-pt. connector at fuel pump in rear harness Color: Brown
T4f 4-pt. connector in automatic transmission harness Color: White
T4k 4-pt. connector near sunroof motor
T5 5-pt. connector in cruise control harness Color: Blue
5-pt. connector in right-side engine compartment harness Color: Black
T5a 5-pt. connector
1988-1989: in illuminated entry harness; Color: Brown
Coupe Quattro: in right-side engine compartment harness; Color: Black
T5b 5-pt. connector in illuminated entry harness Color: Brown
T5c 5-pt. connector in A/C compressor control harness Color: Green
T5e 5-pt. connector behind instrument panel Color: Yellow
T5f 5-pt. connector in cruise control harness Color: Blue
T5g 5-pt. connector in A/C control unit harness
T6 6-pt. connector
1988-1989: in instrument cluster harness Color: Red
1990: in rear lid harness
6-pt. connector beneath passenger's seat
6-pt. connector in automatic transmission harness Color: Black
6-pt. connector in taillight harness
T6a 6-pt. connector beneath driver's seat
6-pt. connector in cruise control harness
6-pt. connector in instrument cluster harness
T6b 6-pt. connector
1988-1989: in rear lid harness
from 1990: in instrument cluster harness
6-pt. connector in instrument panel harness
6-pt. connector in right-side engine compartment harness Color: Black
T6c 6-pt. connector in wiper motor harness Color: Black
T6d 6-pt. connector in instrument panel harness Color: White
6-pt. connector in console harness Color: White
T6e 6-pt. connector in in instrument cluster harness
T6f 6-pt. connector in in instrument cluster harness
T6g 6-pt. connector beneath driver's seat
T6h 6-pt. connector beneath passenger's seat
T6j 6-pt. connector in cruise control harness Color: Black
T6k 6-pt. connector in rear speaker harness
T6l 6-pt. connector at left rear light assembly
T6m 6-pt. connector in instrument panel harness (except 1988) Color: Red
T6n 6-pt. connector at right rear light assembly
T7 7-pt. connector in right-side engine compartment harness
T8 8-pt. connector in right-side engine compartment harness
T8a 8-pt. connector at rear lamp control unit Color: White
T8b 8-pt. connector at rear lamp control unit Color: Black
T8c 8-pt. connector at radio
T8d 8-pt. connector at radio
T8e 8-pt. connector in blower motor harness Color: Red
T9 9-pt. connector in power window harness
T10 10-pt. connector in left-side engine compartment harness; Color: Yellow
T10 10-pt. connector in rear harness Color: Brown
T10a 10-pt. connector
1988: in right-side engine harness Color: Black
1989-1990: in instrument panel harness Color: Black
1991-1992: in right-side engine harness Color: Black
T10a 10-pt. connector
4 Cyl. - in instrument panel harness Color: Black
5 Cyl. - in right-side engine compartment harness Color: Black
T10b 10-pt. connector in rear harness Color: Brown
T10c 10-pt. connector behind instrument panel Color: Blue
10-pt. connector in ABS harness Color: Blue
T10d 10-pt. connector at board computer display unit
10-pt. connector in instrument panel harness Color: Green
T10e 10-pt. connector in rear speaker harness
T10f 10-pt. connector in automatic transmission harness Color: Green
10-pt. connector in instrument panel harness Color: Green
T10g 10-pt. connector in A/C blower motor harness Color: Red
T10h 10-pt. connector at board computer display unit
T12 12-pt. connector behind instrument panel
T26 26-pt. connector at rear of instrument cluster Color: Yellow
T26a 26-pt. connector at rear of instrument cluster Color: Blue
T26b 26-pt. connector in instrument panel harness at Auto-Check control unit Color: White
T41 wiring distributor at rear of fuse/relay panel