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sudden loss of power steering and radio


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Bernadette
New User

Feb 10, 2015, 7:38 PM

Post #1 of 5 (974 views)
sudden loss of power steering and radio Sign In

I have a 1996 Ford Taurus. 3.0 engine. When I start driving, car will suddenly lose power steering and simultaneously radio will stop playing and windows will not operate...unable to roll windows up or down...when I put it back in park everything starts working again..sometimes if I fool around with the key in the ignition switch everything will work fine...car drives fine otherwise ..is this electrical..do I need a new ignition switch...I still can drive the car bcause sometimes the power steering jumps back on while driving


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 10, 2015, 7:46 PM

Post #2 of 5 (972 views)
Re: sudden loss of power steering and radio Sign In

Yes, the electrical issues could be due to a faulty ignition switch, among other things but the power steering should have absolutely no relationship to the electrical issues.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Bernadette
New User

Feb 10, 2015, 8:00 PM

Post #3 of 5 (966 views)
Re: sudden loss of power steering and radio Sign In

Someone suggested internal shorting of the transmission range sensor---whatever that is--since it loses power when shifting into reverse or drive...but all operate fine in drive position---does this sound like it might be the problem


Bernadette
New User

Feb 10, 2015, 8:07 PM

Post #4 of 5 (964 views)
Re: sudden loss of power steering and radio Sign In

Meant to say all operate fine in PARK position.


Discretesignals
Ultimate Carjunky / Moderator
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Feb 10, 2015, 8:58 PM

Post #5 of 5 (958 views)
Re: sudden loss of power steering and radio Sign In


Quote
among other things but the power steering should have absolutely no relationship to the electrical issues


Actually it does if this vehicle is equipped with VAPS.




TSB, so check it out:


Quote
Article No.
96-25-5

12/02/96

^ STEERING - CONTINUOUS REDUCTION IN POWER STEERING ASSIST WHEN SHIFTING INTO "REVERSE" OR "DRIVE" - VEHICLES WITH 3.0L ENGINE

^ STEERING - INTERMITTENT REDUCTION IN POWER STEERING ASSIST - VEHICLES WITH 3.0L ENGINE BUILT THROUGH 5/13/96

FORD:
1996 TAURUS

LINCOLN-MERCURY:
1996 SABLE

This TSB article is being republished in its entirety to revise the Service Procedure.

ISSUE:

There may be intermittent reduction in power steering assist during braking from 80 km/h (50 mph) on some vehicles. For this concern, the resolution may be a revision to the Generic Electronic Module (GEM) calibration.

On some other vehicles, there may be a continuous reduction in power steering assist when shifting into "Reverse" or "Drive." The customer may have noticed a loss of radio sound, power window and lock functions. For this 3.0L concern, the cause may be internal shorting of the Transmission Range (TR) sensor.

ACTION:

^ For those vehicles with intermittent reduction in power steering assist, refer to the following Service Procedure, Step 3.

^ For those 3.0L vehicles with continuous reduction in power steering assist when shifting into "Reverse" or "Drive," replace the TR sensor. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

1. Perform normal diagnostics for high steering efforts found in Section 11 of the 1996 Taurus/Sable Service Manual.

2. For a continuous reduction in power steering assist concern on 3.0L engines when the transmission is shifted into "Reverse" or "Drive," disconnect the harness connection from the TR sensor and retest. If the steering functions correctly, replace the TR sensor (-7F293-).

3. Perform diagnostics for the GEM, refer to the 1996 Taurus/Sable Service Manual, Section 18-04. Observe any codes that have been logged by the GEM. If no codes have been logged, and communication with the GEM functions properly, then replace the GEM with a revised GEM (-14B205-) which has a calibration adjustment. Refer to the 1996 Taurus/Sable Service Manual, Section 13 for replacement details.

PART NUMBER PART NAME

F7DZ-14B205-AB Generic Electronic Module (GEM)

F7DZ-14B2O5-BB GEM (Gulf coast country vehicles)

F5DZ-7F293-AA Transmission Range (TR) Sensor (8-Pin connector)

F6DZ-7F293-A Transmission Range (TR) Sensor (12-Pin connector)






Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Feb 10, 2015, 9:04 PM)






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