960 Modelyear 1991:
The cable of the switch must be directly connected to the cars cable harness.
Find the connector between the switch and the car harness. Follow the car harness to the next connector.
The next connector must fit to the switch directly. The intermediate cable must be removed.

.Volvo 960 2.0 08.90-09.93
.Volvo 960 2.9 08.90-07.94
.Volvo 960 Ii 2.5 08.94-12.96
.Volvo 960 Ii 2.9 08.95-12.96
.Volvo 960 Ii Kombi 2.5 08.94-12.96
.Volvo 960 Ii Kombi 2.9 08.95-01.97
.Volvo 960 Kombi 2.0 08.90-09.93
.Volvo 960 Kombi 2.9 08.90-07.94
.Volvo S90 2.9 01.97-05.98
.Volvo S90 2.9 01.97-05.98
.Volvo V90 Kombi 2.9 01.97-12.98
.Volvo V90 Kombi 2.9 01.97-12.98