Wiring harness kits for trailer towing devices

A wiring harness kit for trailer couplings electrically connects the trailer and the towing vehicle. Wiring harnesses are classified into 7-pin and 13-pin models. Both models are available as vehicle-specific or universal wiring harness kits.
ERICH JAEGER offers wiring harness kits with a 7-pin trailer socket according to ISO 1724 or with a 13-pin trailer socket according to ISO 11446. Today, the 7-pin socket still has a high diffusion rate concerning simple requirements in retrofitting. The automobile industry primarily uses 13-pin systems.

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