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Old 01-02-2012, 02:41 PM   #1
fanmanj
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Join Date: May 2011
Location: Thibodaux, LA
Posts: 114
Need help diagnosing 700R4 lockup issues..

I'm having some trouble... My '86 has a 700r4 that when I bought it, someone had cut the vacuum switch off. I have since found a switch in the junkyard, hooked it up, still no lockup... Should the wiring going through the brake switch and vacuum switch have 12v whenever the key is on? Can I apply 12v directly to the TCC solenoid wire and lockup the tranny just to make sure the solenoid is good? HELP!!!
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Jay Bernard, Thibodaux, LA
1986 SWB Sierra Classic
Stock roller 350/700R4
2008 Buick Enclave CXL
3.6 VVT, 6spd auto.
PAINFULLY stock... (wife's ride)
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