No power in cab and won't crank after changing heater coil

Asked by Jan 12, 2016 at 09:04 AM about the 1992 Ford F-150 S SB

Question type: Maintenance & Repair

Changed the heater coil. Had to remove dash. Now truck will not get power to
cab once back together. Battery is good. Can almost crank with holding screw
driver to side of truck. By not by turning key - no power.  1992 ford f150 5.0
2 wd

3 Answers

105,345

Sounds like you missed some wiring connections, recheck your work.

21,080

by jumping the solenoid relay you are bypassing the ignition switch. Check all the wiring under the dash.

7,815

Check the plugs by the heater core area, you might've missed one on its not fully plugged in

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