Hi all,
I'm trying to diagnose the power window failure in my sister's 1990
240 wagon.The symptoms:
- With little warning all windows have stopped working
- Replaced fuses #10 and #12, sanded all contacts
- Checked grounding screw under dash (secured)
- Voltmeter indicates 0 current across fuse 10 which increases to
- Voltmeter indicates -ve current across fuse 12 which is unchanged when switch applied
My diagnosis was that the relay had failed but don't know how to test the relay. Furthermore I hoped to pull the relay from my 1983 240 Turbo as a temporary fix but am not sure the relays are interchangeable. The relay in my car ('83 240t) looks like this:
http://63.150.115.104/CommerceGateway/pictures/Volvo%20J-Pegs%2F1235893.jpg Is the relay in the wagon necessarily the same? I pulled the centre console off and according to Haynes there are only 4 relays in there:
- Overdrive Relay 2. Door Unlock relay 3. Door Lock Relay 4. Power Window Relay. By process of elimination I determined that a grey plastic relay (whose removal did not affect locks or OD) must be the window relay.
All I guess I need to know is are my assumtions correct and am I on the right track? If so I will pull this plastic relay and take it to the dealership for testing/replacement.
Thanks lots, blurp