25-Pin 1990
(1990) 25-PIN CONNECTOR TO TRANSCEIVER, TERMINAL IDENTIFICATIONCAUTION
DO NOT damage, enlarge or bend connector pins or cavities by forcing probes into them when performing electrical checks.
Illustration identifies the 25-pin connector as it appears on the wiring harness.
1 - On/Off function, transmit audio (to terminal 7, green, on handset)
2 - Mobile/transportable select line
3 - Ground (-)
4 - Plus connection (+), terminal 30
5 - Plus connection (+), terminal 15, ignition sense lead
6 - Receiver audio to handset (to terminal 8, white, on handset)
7 - Receiver audio opt
8 - Regulated +9.6V (to terminal 2, red, on handset)
9 - Accessory plus connection (+)
10 - Auxiliary alert (not applicable)
11 - T-data communication line (to terminal 3, purple, on handset)
12 - C-data communication line (to terminal 4, orange, on handset)
13 - Speaker disable line
14 - Transmit audio shield, to hands4ree microphone
15 - Transmit audio, to hands-free microphone
16 - Plus connection (+), terminal 30 17-Ground (-)
18 - R-data communication line (to terminal 5, yellow, on handset)
19 - Receiver audio, to hands-free speaker 20-Ground (-)
21 - Manual test lead (Test Mode)
22 - Microphone mute line
23 - Handset logic ground (-) (to terminal 1, blue1 on handset)
24 - Handset audio ground (-) (to terminal 6, brown, on handset)
25 - Accessory ground, to hands-free speaker