I'm handy with a soldering iron. My 190E had lots of mucked wiring under the hood. I soldered new lengths of wire to existing wiring on the car and made new connections to the correct wires, covered the splices with heat-shrink, and recovered the harness with a thick dose of vinyl electricians tape. It's working just fine, now.

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My first Mercedes Benz. 4/6/07.

1984 190E (201 024) 2.3L four.