How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Chris (aka- Moose) Your Own Question
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Transmissions
Satisfied Customers: 47657
Experience:  16 yrs. experience with auto, manual, & CVT drivelines
Type Your Transmissions Question Here...
Chris (aka- Moose) is online now
A new question is answered every 9 seconds

98 ford expedition code p1729 4x4 switch low circuit.

Customer Question

98 ford expedition code p1729 4x4 switch low circuit. transmission shifts to 0/d by 25 mph o/d light flashes,4x4 switch no 4hi or 4low light power down to 4x4 encoder motor.fuses ok.
Submitted: 1 year ago.
Category: Transmissions
Customer: replied 1 year ago.
Hello i forgot to tell you i am a tech in a shop and we are working on this vehicle now so i need someone who can help me asap..i cant wait for a day...thanks
Expert:  Chris (aka- Moose) replied 1 year ago.

Welcome, I'm Chris (aka Moose). Experts aren't employees / agents of Just Answer. We are independent service providers using the Site to sell their Expert knowledge to Customers. I strive to provide EXCELLENT 5 STAR service to you, let me know what's needed from me so your pleased with my assistance and will rate me Good or Excellent.


Your transmission is shifting this way because the PCM believes your in low range. Can you perform the tests below?


Thanks for asking your question and letting me try to help you.

Please make sure to complete the rating 1-5 STARS on your screen when your pleased. The email survey is for the website, it does not compensate me.

Follow up/Reply as many times as needed before or after rating.

Customer: replied 1 year ago.
I need a tech who can answer me during the day today as the vehicle is on our hoist..thats why i paid extra for urgent response
I need the wiring diagram from the 4x4 switch to the transfer case i know what the wire color is thats power at the plug to the encoder motor.