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compression testing the engine....will this work? 900

posted by  rjk on  Wed Oct 23 12:09 CST 2002
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last visit: Sat Dec 12 12:30 CST 2009
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I would do the disconnect. I haven't looked closely at the Volvo wiring diagrams but most older ignition systems had a circuit that sent full battery voltage to the coil during cranking via the solenoid. The ign. switch didn't need to be on for there to be spark. This probably isn't necessary anymore with electronic ignition systems but why take the chance when all you have to do is disconnect a wire? Your idea IS neat but I hate to tell you, it has been in use for a few decades over here. I still use the cheater switch I bought for my first car back in '70.
--
Bob Kraushaar '94 945T, '91 940T, '88 240, '94 F-150, '68 Shelby GT-500 KR






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New compression testing the engine....will this work? [900]
posted by  the kick inside  on Wed Oct 23 10:22 CST 2002 >


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