I don't replace the factory wires unless they are phisically damaged. The wires are solid core and don't go bad. The only thing that goes wrong with them is the resistor ends. These are sold separately and screw off with some work and some spray silicone.

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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM