Volvo Wiring Harness Problems

Volvo is recalling certain model year 2012 s60 xc60 s80 and xc70 vehicles manufactured from may 16 2011 through october 6 2011.

Volvo wiring harness problems. The worst problems occurred in all 1980 1987 volvos. Charging circuit wiring problems or worn alternator brushes voltage regulator. This has become a common problem usually limited to the portion of the harness that goes to the 6 ignition coils under the top coil cover on the engine. The 2003 volvo v70 has 1 problems reported for tailgate wiring harness.

Volvo engine warining injector wiring harness problem med thecnic. Always check the latest information at the wiring diagrams location. Cutting into wiring harnesses is not recommended as it may affect can bus messaging. 12v schematic volvo product schematics 22622040 03 1 2 1 106 wiring diagram index name description page aa power distribution frc 3 ab power distribution frc 4 ac power supply circuit protection 3 4 ef 5 ad power supply circuit protection 4 4 ef 6.

Td5 injector harness problem where the oil. It wasn t long before i discovered that wire insulation on certain volvo engine wire harnesses began decomposing a number of years after these cars were sold. Volvo s main fix is to disconnect the harnesses clean the points of contact then apply some dielectric grease before reassembling the connectors. This portion of the harness has a tendancy to malfunction.

Rust its hard to replace parts when the hardware is fused together holes in the floorboards etc. Wiring mid 80 s 240s had bio degradable wiring insulation under the hood later fixed by volvo. Alarm engine volvo tad 952 ve code alarm spn 655 n5 low power noise engine. The cause is due to prolonged exposure to the high engine temperatures under that coil cover.

Most times the problem is due to a weak connection or loose terminals in the door harness.