Mechanics

ENGINE

1995 Ford Thunderbird

Engine Mechanical problem
1995 Ford Thunderbird V8 Two Wheel Drive Automatic 104000 miles

I can turn my car on but once it is on I cannot turn it off?
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Sfwood01
September 23, 2008.



Sounds like the ignition switch needs to be replaced, or at least continuity checked.
STEERING COLUMN SWITCHES -1995 Ford Thunderbird LX
Page 1 of 1
IGNITION SWITCH
1.Test for continuity between specified terminals with switch in each position. See Fig. 2 . If continuity is not as specified, or is poor in any switch position, replace ignition switch.
Fig. 2: Identifying Ignition Switch Terminals (Cougar & Thunderbird) Courtesy of FORD MOTOR CO.
2.Continuity should exist between terminals B5 and I1 with switch in START and RUN positions only. Continuity should not exist for all other switch positions. 3.Continuity should exist between terminals B5 and A1 with switch in ACC position only. Continuity should not exist for any other switch position. 4.Continuity should exist between terminals A1 and B1 with switch in RUN position only. Continuity should not exist for any other switch position. 5.Continuity should exist between terminals A2 and B2 with switch in RUN position only. Continuity should not exist for any other switch position. 6.Continuity should exist between terminals A3 and B3 with switch in RUN position only. Continuity should not exist for any other switch position. 7.Continuity should exist between terminals A4 and B4 with switch in RUN position only. Continuity should not exist for any other switch position.
IGNITION SWITCH

Removal
Disconnect negative battery cable. Remove steering column shroud. Remove tilt lever (if equipped). Remove instrument panel lower column cover. Unplug ignition switch connector. Set ignition switch to RUN position. Remove ignition switch.
Installation
Set ignition switch to RUN position by turning ignition switch shaft to START position, then releasing shaft. Install ignition switch. Connect ignition switch wiring. Connect negative battery cable. Check operation of ignition switch. To complete installation, reverse removal procedure.


http://www.2carpros.com/forum/automotive_pictures/62217_switch_2.jpg


Merlin2021
Sep 23, 2008.


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