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ignition switch and shifting problems S90-V90

posted by  vova on  Sun Dec 16 17:18 CST 2012
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last visit: Thu Jan 10 21:47 CST 2013
[RELATED]

i agree.

I dont wiggle it all the time. After starting i just move key 1/16 of an inch to have lights. i dont wiggle key while driving. i dont lose electrical power while driving but i thought if ignition switch powers up TCM even if i see no electrical power loss while driving it may still supplu incorrect electrical power to the TCM even with a slight voltage veriation TCM computer may go crazy.

I replaced one can of tranny oil with Lucas, wee ll see if it improves anything at all.
i ll replace switch i just need to verify if the problem electrical or mechnical within switch.

another thing i couldnt find TCM under dashboard driver side, there is a computer bu it looks more like emgine related computer. Anyone knows exect location for TCM?? driver or passenger side? I ll try to connect voltmeter to monitor supplied voltage.






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