20 Most Recent 1997 Ford F150 Regular Cab Questions & Answers

I got this free Pdf manual from reliable-store for free and I don't think Ive visited a mechanic or fixya for help for more than 3-4 times out of the 20 times I fixed the chipper in these 4 years

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Go to this site to find a manual to help you.
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maybe a fuse is blown? did you have the mechanic check the fuses? or even check all your relays and wiring?

Did you check the fuel inertia switch in the passenger side kick panel ?

The fuel pump is powered :
the fuse to the fuel pump relay.
The fuel pump relay to the fuel inertia switch
The fuel inertia switch to the fuel pump itself.

At the fuel inertia switch in the kick panel, power from the relay is the Dark Green w/ Yellow stripe wire and the pink w/ black stripe wire is the power. from the fuel inertia switch to the fuel pump.

If you jumper the fuel pump relay, you should hear it run. If not pull the fuel pump relay, and check the pins in the relay socket, pin 30 should be the power from the fuse.



If you have power at pin #30, jumper the relay socket as shown with the red line above, and check the dark green w/ yellow stripe wire at the fuel inertia switch for power.
Press the button on the top of the fuel inertia switch, and check for power leaving the fuel inertia switch on the pink w/ black stripe wire.

This is tests good, check for power at the fuel pump, same pink w/ black stripe wire.
Fuel inertia switch info is in the owners manual, If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

Do you know anything about automotive electronics ? The GEM - generic electronic control module is in charge of turning on the wipers an control the power windows . Would think this a fuse problem . Computer problem maybe , the first step in diagnosing a problem like this would be to hook up a factory or professional scanner an checking for DTC'S - diagnostic trouble codes . Don't think about replacing the GEM module ,if you don't know how to test it's electrical circuits an check for codes . Can set a number of codes !
B1431 Front Wiper RUN/PARK Relay Coil Circuit Failure GEM REFER to Section 501-16 . B1432 Front Wiper RUN/PARK Relay Coil Circuit Short to Battery GEM REFER to Section 501-16 . B1434 Front Wiper HI/LO Speed Relay Coil Circuit Failure GEM REFER to Section 501-16 . B1436 Front Wiper HI/LO Speed Relay Coil Circuit Short to Battery GEM REFER to Section 501-16 . B1438 Front Wiper Mode Select Switch Circuit Failure GEM REFER to Section 501-16 . B1441 Front Wiper Mode Select Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1446 Front Wiper Motor PARK Sense Circuit Failure GEM REFER to Section 501-16 . B1450 Wiper Wash/Delay Switch Circuit Failure GEM REFER to Section 501-16 . B1453 Wiper Wash/Delay Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1458 Washer Pump Motor Relay Coil Circuit Failure GEM REFER to Section 501-16 . B1460 Washer Pump Motor Relay Coil Circuit Short to Battery GEM REFER to Section 501-16 . B1462 Seat Belt Switch Circuit Open or Seat Belt Buckled GEM REFER to Section 413-09 . B1466 Wiper HI/LO Speed Not Switching GEM REFER to Section 501-16 . B1473 Wiper LO Speed Circuit Motor Failure (Wiper Energized and Park Sense Not Seen) GEM REFER to Section 501-16 . B1476 Wiper HI Speed Circuit Motor Failure (Wiper Energized and Park Sense Not Seen) GEM REFER to Section 501-16 . If you don't know any of this , your best bet take it to a qualified repair shop.

probably the switch in the t-case is sticking,.The switch is next to the rubber hose vent line coming off the t-case. It unscrews.
they are about 25-30 bucks. Ten min or so for time to replace. I believe it's a Motorcraft SW-6251 but check with the auto store to insure a proper fit.

Id get a mechanic to look at it. Sounds like a rear end bearing problem. Axle bearings pumpkin bearings.

Something you might find handy is a signal tracer (about $40) which can be used in the home or auto. It has 2 components and creates a signal into the wire which allows you to follow that signal down the wire to find the break. (Lowes, Home Depot) Has connectors for fuse panel holders.

You do not want to directly jump 12 volts into the shift motor. The voltage the shift motor receives determines the length the solenoid extends to give you different functions. The 4x4 selector changes the voltage for each function. ONE thing you can check is the light bulb for the 4x4 selector knob. There have been reports on this site that a burned out light bulb can change the voltage for the 4x4 selector. Myself, it seems strange because the lightbulb is off until the headlights, etc. are turned on, so it would make no sense to effect the 4x4 selector during daylight.

Since you have a duplicate shift solenoid you may be able to plug in the wiring harness and ground the extra shift solenoid to aid in diagnosing the problem.

You could loosen up the fuse box holding these particular wires and check them on their backsides. Also check to see if there is a shift selector relay.

the fuse should be under the hood

the program is suspect as it may give you power but not economy
check fuel pressure, cat for blocking the exhaust and run the fault codes for other sensor problems

front shaft bearing
could be front shaft "U" joints or bad sliding spline problem

possible master switch

Yeah, that's the sign of a serious malfunction. So your first step would be to get the trouble codes read. Most likely you'll wind up at a transmission shop

Take your F-150 to a real mechanic to repair the repair.

What makes you think the problem is in the fuse box?