204 589 03 63 00 Adapter cable (20-pin) - WS54.00-P-0077B

MODEL FG 54/Set B 

MODEL 204 

Use: 

Adapter cable (20-pin) for voltage and resistance measurement and connection to signal actuation module (SAM with fuse and relay module)

Fig 1: Identifying 20-Pin Adapter Cable (204 589 03 63 00)

Courtesy of MERCEDES-BENZ USA