GM24
Appendix A: Known Incompatible Vehicles
Appendix B: Known Incompatible Aftermarket Head Units
Appendix C: Head Units That Require IR Extended Mode On
Vehicle
Make(s) Year(s) Model(s)
BMW All All with factory-activated cellular phones
All with 5-volt SWC data wire at the steering column
2002-2003 5-Series w/navigation
Mercedes-Benz All All vehicles
Toyota All-2003 Sienna
Volkswagen 2002-up All vehicles
Head Unit
Make(s) Model(s)
Sony MEX-5DI / MEX-1HD / CDX-M850MP / CDX-M3DI
(or any Sony with HiR remotes: ex.
RM-X110, 112 and 131)
CDX-MP70 / CDX-MP80 / CDX-CA900X / CDX-M730 / CDX-M770 / CDX
M620 / CDX-M670 / CDX-M800 / CDX-M8800 / CDX-M8805X / CDX-
M9905X / CDX-CA850X / CDX-CA860X
Denon Unknown
Delphi XM SKYFI / (Roady - unknown at this time
Head Unit
Make(s) Model(s)
Pioneer AVX-P7300DVD / AVXP7000CD / AVXP7000 / AVMP700R
AVMP800R / AVMP900R / GEXP7000TV
Rockford Fosgate All Head Units
Appendix D: Vehicle Connector Chart
GM21
A
E
I
M
Q
B
F
J
N
C
G
K
O
D
H
L
P
E16
F16
E1
F1
GM32
1
2
3
4
5
GM5
1
2
3
4
5 6
7
GM7
1
2
Ford2
1
8
916
3
5
12
Ford16
Ford20
1
234
91011
12
56
7
8
13
14
1516
Honda/Acura16
1
2
34
56
7
8
9
10
11
12
13
1415
161718
19
20
Acura/Honda20
Honda/Acura20
20
19
1
2
6
4
3
5
11
18
10
12
7
8
9
13
14
15
16
17
Audi/VW20
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
17
BMW17
1
2
3
4
5
6 8
10
11
12
13
14
Mazda14
Note: All connector views are shown from radio side (not wire
side) except O and P connectors. Photos taken of O and P
connectors can be seen on our website.
Mazda24
A17 16 15
14
13
12
11
10
9
8 7
6
5
4
3 2
A1
TB_Brav_Env
This plug is the main
ignition harness at
steering wheel column.
1
12 8
24
21
20 14
13
18
27
Ford24
B32 (Gry/Wht)
B30 (Lt. Grn/Blk)
B31 (Lt. Green)
This plug is the main ignition
harness at steering wheel
column
In some vehicles, middle
connector may be rotated
180°
R
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
Caution! This is not the
main power plug.
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