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HI John: What was the main complant ? No Start? Did your lighting problem exist before the no start condition? The way I read this is the car either would'nt start or it was starting slower and slower . Even though the hardware bolts are tight on the starter and the battery cable to the engine block ground are tight it does'nt mean the cables are making a good full connection. My negitive ground cable at the engine block came right off in my hand, I could'nt beleive it, but is true. It had rotted off just behind the crimped connecter and caused weak starting and very little recharging of the battery , getting back just 11.30 volts instead of 14.30 volts. After replacing and rerouteing the cable all was fine, strong starts, great recharging back to the battery and a good steady idle and steady tach reading. One thing I really hate to tell you but you should have never disconnected the ground cable when the engine is running , it will screw up your main computer. They are extremly sensitive to electrical spikes. On old Fords and Chevyes you could do this to check out your alternator by disconnecting the batery ground while the engine was running and have no negitive efects at all, but not on Volvo's, sorry to say. I would'nt tell your wife either, just blame the repair shop or a co-worker you never really trusted to begin with, that way she can only blame your choise of useing well intended advice from someone else. Good Luck and in this case silence is golden. Dan Metz.
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Dan's 88 Volvo 740 GLE WAGON non-turbo
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