Having problems with your 1990 Ford F250 ?

No overdrive/anti-lock brake warning light

\015 Sirs:\012\012 I have a 1990 Ford F250 4x4 7.3l diesel truck with an E4OD\012transmission. The transmission will no longer go into overdrive. At the\012same time this occurred, the Anti-Lock Rear Brake warning light came on.\012Could the two symptoms be related? Could these problems be caused by a\012failure of the speedometer module on the rear differential and/or the PCM?\012Thank you for any help,\012Bob\015 Posted / edited by AnonymousUser on : 18-03-2019

Answers :

Repair Help & Product Troubleshooting for 1990 Ford F250

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