Install guide

Next, construct the custom wiring harness using

the wiring connections shown in the chart

below. The wire gauges are listed for information

only. This is to prove that the wires supplied in

the 25-pin telephone harness are of sufficient size

when compared to the required size listed for the

BT module. The parts required to make this

cable are the 54-pin plug , 5 repair wires, and a

DB25 (D-sub) male terminal with hood. These

parts are shown in the surrounding pictures.

Custom Harness wiring chart for DB25 Analog Phone to 54-pin Bluetooth Phone

BT Tel module (54-pin) Connection Existing TEL connector (DB25)

notes gauge pin pin gauge notes

Power +12V 0.5 1 KL.30 4 0.5

Ground 0.5 2 KL.31 3 1.0

Tel audio out to HU 0.5 8 NF OUT+ 19 0.5

Tel audio out to HU 0.5 9 NF OUT- 25 0.5

Microphone input 0.35 11 MIC IN+ 15 0.35

Microphone input 0.35 12 MIC IN- 14 0.35

Diagnostics 0.35 15 K-line 12 0.35 See Section 4.2

Tel Mute trigger to HU 0.5 16 Mute 10 0.5

infotainment bus 0.35 17 CAN H N.C. CAT5 wire to CANbus

infotainment bus 0.35 18 CAN L N.C. CAT5 wire to CANbus