Question about Cars & Trucks
New turn signal switch were recently installed seeming to cause this new problem on a 1997 Cadillac sts Seville
I hate to be the bearer of bad news, but many GM vehichles have an overly sensitive "driving computer" an overly-sensitive ECM system that everything is integrated into. It sounds like whoever replaced your turn signal switch, messed up the ECM when they disconnected the battery, or they did not properly ground or discharge the system before doing the work.
On some cars, the ECM can be reset by simply disconnecting the car's battery, turning the key to the "on" position, then then discharge everything by quickly touching the possitive and negative battery cables together (NOT ON THE BATTERY, but just the cables themselves while disconnected). This doesn't always work on all vehichles, but could be worth a try since it is so simple and does work on about 25% of the cars I've used the method on. It did work on some 1998 STS's that I've done the discharge trick with, so it could be possible with your vehichle as well.
If, however, the ECM was shorted during the work, or took a hit from a really bad static discharge, then the ECM itself could require replacement, unless an authorized dealer service has a way to reset it.
Posted on Oct 14, 2013
Replace the clock spring
Posted on Oct 14, 2013
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Posted on Jan 02, 2017
SOURCE: how to install
4.9 disconnect negative battery cable,drain the coolant from radiatorremove coolant reservoir, loosen waterpump pulley bolts,a screwdriver can help keep the pulley from turning,remove drive belt,remove idle pulley,remove waterpump mounting bolts(they are different sizes,some are star shaped) do not pry on waterpump until all bolts are removed,clean gasket surface,use gagket sealant and install new water pump(start all bolts before you torque any down.)
Posted on May 15, 2009
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