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Power source for OD switch (68 142) 140-160

posted by  Chris Mullet on  Wed Mar 2 10:50 CST 2016
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last visit: Fri Oct 24 09:08 CST 2014
[RELATED]

I don't have a wiring diagram for 1968 handy. But for 1970, they show a Blu/Yel wire coming off of fuse #3 and running up to the switch. From the switch there are two Yel wires - one runs to the transmission (4th gear limiter) and the other Yel runs to the indicator light.

http://www.autozone.com/repairguides/Volvo-Coupes-Sedans-Wagons-1970-1989-Repair-Guide/WIRING-DIAGRAMS/WIRING-DIAGRAMS/_/P-0900c152800642d2

BTW, in that diagram they show two "Overdrive Switches". The second on is actually the 4th gear limiter on top of the transmission. From the limiter switch it's a red wire to the solenoid.
--
Current rides: 2005 Volvo S80 2.5T, 2003 Volvo V70 2.4NA, 1973 Volvo 1800ES (getting ever closer to road worthiness)






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