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Replace fiber optical cable (D2B) between radio and sound amplifier (after testing) - AR82.62-P-8350GH

MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128 /157 /175 with CODE (810) Sound system 

Fig 1: Identifying Sound Amplifier, Radio And Navigation Unit
G04608660
Fig 2: Identifying ETC Control Module And Exchange D2B Wiring Harness
G04608661
REMOVING Remove    
NOTES Notes on fiber optic cable Models 129, 163, 168, 170, 202, 203, 208, 209, 210,215,220,230,463 AH82.70-P-0001-02A 
REFER TO BASIC KNOWLEDGE Fiber optical cable, location Model Series 163 GF82.00-P-4000-01GH 
1 Remove radio (A2)   AR82.60-P-7502EA 
2 Remove cover below instrument panel on driver's side   AR68.10-P-1500GH
3 Unscrew screw on Sound amplifier (A2/13) and disconnect D2B B-plug    
INSTALLING Install     
4 Pull the red insert of the D2B-wiring harness out of the D2B-plug on the sound amplifier (A2/13) and replace with the red insert of the exchange D2B wiring harness NOTESRisk of breakage!  Do not kink or stretch fiber optic cable
IMPORTANT Pay attention to the correct installation position of the insert in the D2B B-plug. Cut off the fiber optical cable removed at the adhesive tape.
AR82.70-P-0004-01A
5 Route the exchange D2B wiring harness (1) behind the instrument panel along the existing wiring harness to the bracket (2) for the ETC [EGS] control module (N15/3) / plug of the interior wiring harness    
6 Route the exchange D2B wiring harness (1) behind the bracket (2) for the ETC [EGS] control module (N15/3) to the clip (3) for the shift lock cable    
7 Route exchange D2B-wiring harness (1) to the radio installation opening    
8 Secure exchange D2B wiring harness (1) on existing wiring harness at the red adhesive tape markings provided for this    
9 Pull the white insert of the D2B wiring harness out of the D2B plug on the radio and replace with the white insert of the exchange D2B wiring harness (1) NOTESRisk of breakage!  Do not kink or stretch fiber optic cable
IMPORTANT Pay attention to the correct installation position of the insert in the D2B B-plug. Cut off the fiber optical cable removed at the adhesive tape.
AR82.70-P-0004-01A
10 Secure exchange D2B wiring harness (1) on existing rear wiring harness in the radio installation opening    
11 Plug D2B plug into the sound amplifier (A2/13) and fasten the sound amplifier (A2/13) with a screw    
12 Remove cover below instrument panel on driver's side   AR68.10-P-1500GH
13 Install radio (A2)   AR82.60-P-7502EA