| Notes on repairing wiring harnesses and electrical connectors |
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| Observe general information on repairs to the vehicle electrical system → Chapter. |
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| Not all wiring cross sections found in the vehicle are contained in the wiring harness repair set -VAS 1978 B-. If the wiring cross section required is not contained, use the next largest cross section. |
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| Soldering is not permitted when repairing the vehicle electrical system. |
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| Never repair crimp connectors. Route a new wire along the defective wire if necessary. |
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| After crimping, hot air blower must be used to shrink-fit crimp connectors to prevent moisture from ingressing. |
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| Screened wires, e.g. on speed senders and knock sensors, must NOT be repaired. These wires must be renewed completely if damaged. |
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| Only use yellow wires for repairs to wiring. |
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| Repaired wiring harnesses must not to be re-incorporated into the wrapping of the original vehicle wiring harness. |
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| Mark location of repair with yellow insulating tape. |
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| Yellow wiring and locations with yellow insulating tape on wiring harness designate a previous repair. |
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| Always check operation after completing repair work. It may be necessary to interrogate and erase the event memories and/or reset the systems to basic setting. |
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