Test point	Description of connection	Replaceable component
1	Input to Transmitter/receiver (A35) from CTEL junction box (X39/11)	TR (A35)
2	Input to CTEL junction box (X39/11) from IDC (A35/3)	Junction box (X39/11)
3	Input to IDC/junction box seperation point (X39/10)	Wiring from A35/3 to X39/11
4	Harness at IDC	Wiring from A35/3 to X39/11
5	Input to IDC from CTEL handset cradle (A34/2)	IDC (A35/3)
6	Harness at CTEL handset cradle (models w/o rear A/C)	Wiring from A35/3 to A34/1
7	Harness at CTEL handset cradle (models with rear A/C)	Armrest extension harness
8	Handset input to CTEL cradle (not accessible with rear A/C)	CTEL cradle (A34/2)