Power mirrors, driver power seat, adjustable pedals all don't work... checked fuses and all ok... Any suggestions?

James,

Here's some sites that will help you...

https://www.google.com/search?q=driver+side+power+seat+on+2003+navigator+not+working

Best to you.

Hello Judy Tatum,

Your drawings are available (free) on-line at BBB Industries
(see below: registration required)... No TSB (tech service bulletins) address your issue(s).

the fact that two troubles are SIMMULTANIOUSLY failing points DIRECTLY to their common CIRCUIT MODULE...!!
I am suspecting you are having an intermittent (power) issue
with your DRIVER'S Seat memory module (BCM)... 14C708.

If... and only if ...
you ALSO have power seats... AND they still work...
(your fuse is the same 5 AMP for both) ... THEN...
You can cross that main control fuse OFF of the suspect list.

Your vehicle IMMEDIATELY gives 2 different drawings...

There are TWO different OPTIONS... but the DETAILED schematic drawings show every wire color and connector between the mirrors, pedals, switches and That CONTROL MODULE.

MY ANALYSIS would indicate FINDING your module... 14C708 and carefully checking EACH & EVERY connector COMMON to your pedal control AND your mirror control...

You will find a loose (or badly corroded) one.
((comment me back... I will tell you how to clean & refurbish)).

Fear not your door sills, kick panels and carpeting come up pretty easily... Your car pops together really nicely.

My very best suggestion is to beg, borrow or buy the FACTORY+WORKSHOP+MANUAL... in particular... electrical is in volume three... Reasonably priced on CD... (I use paper).

Else your...
DRIVER'S Seat memory module... 14C708 needs to be "SPARED-OUT" to test a new/previously-owned one.

(Pictures are illustrative ONLY... VERIFY your own numbers).

Hope this helps!

BBB Industries Premium Alternators Starters Power Steering Products

https://www.bing.com/search?q=ford+14c708+module&form=EDGEAR&qs=PF&cvid=75dfad31b2964a6b9739ad4032415aa8&pq=ford%2014c708%20module&elv=AKQEcuXzUCyYxOR5mT0g8jZIkbcGzv3fMdbTY3tCbnL!&PC=DCTE

Driver door or seat module. All of these components are controlled by s module. You'll need a scan tool to properly diagnose.

probably a second fuse . the power seat alone requires 25 amp fuse

BCM has nothing to do with this function , MMM - memory mirror module !
Memory Mirror System Operation
The MMM is capable of storing mirror position for 2 different drivers. Mirror position is determined by both horizontal and vertical position sensors in each of the power mirrors. The MMM supplies a reference voltage and a low reference to these sensors and determines mirror position through the horizontal and vertical position signal circuits.
The MMM receives power through the battery supply voltage circuit and the MIR/LOCK fuse and a constant ground source. Any time that battery voltage is disconnected and then connected from the MMM, the MMM will enter the mirror relearn mode. The mirror relearn mode can also be commanded using a scan tool. Refer to Memory Mirror Module Learn for further information.The memory switch receives power through the battery supply voltage circuit and the MIR/LOCK fuse. The MMM upon receipt of a memory switch signal input, a class 2 message from the SIC or a class 2 message from the PCM indicating that the transmission is in park, will then supply battery voltage and ground to the appropriate power mirror motors through the mirror motor control circuits to move the mirrors to the predetermined positions.

DTC B1586, B1596, B1616, or B1626
The mirror horizontal and vertical position sensors are potentiometers. The Memory Mirror Module (MMM) provides these sensors with a 5 volt reference circuit and a low reference circuit. The MMM monitors the horizontal and vertical position sensor signal circuits which change values based on mirror position. These voltage values are used to determine mirror position and can be set into memory. When the MMM receives a memory recall request, the MMM will control the power mirror to the memory position based on the horizontal and vertical position sensor signal values.

Install a scan tool.
Turn ON the ignition, with the engine OFF.
With the scan tool, observe the mirror horizontal and vertical position parameters in the Memory Mirror Module (MMM) data list.
Operate both the left and right mirrors through the full range of movements.
Does the scan tool indicate that the left and right mirror horizontal and vertical position parameters are within the specified range?

Memory Seat System Components
The memory seat system consists of the following components:
• Power seat switch assembly
• Memory recall switch assembly
• Horizontal adjuster motor
• Front vertical adjuster motor
• Rear vertical adjuster motor
• Recline adjuster motor
• Memory seat module
• Memory mirror module
• SEAT 25A circuit breaker
• MIR/LOCK 3A fuse

Your best bet , take it to a qualified repair shop !

There are some relays located in the fuse box under the hood.( Drivers side, located directly in front of the power booster for the brakes. open the lid & you will find 2 rows of fuses & 5 relays) you will have to refer to the owners manual for the diagram for the electrical fuses & relays.

check the fuses for the driver seat, mirrors, and pedals.

The exterior mirrors:

• are controlled by power controls on the LH front door trim panel.
• are of a foldaway design.
• may contain turn signal indicators.
• may be heated when the heated back window glass is activated.
• may have a programmable recall memory option.

Driver Seat Module
The power driver seat and power exterior mirrors are controlled by the driver seat module (DSM) only when the vehicle is equipped with the programmable/recall memory option.
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Power Exterior Mirror Operation
The power exterior mirrors are controlled by the DSM and are operational all the time, whether the ignition switch is on or off. Using the power exterior mirror switch, the driver can adjust the driver and passenger exterior mirrors four ways.
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Visual Inspection Chart Mechanical Electrical

• Exterior mirror(s)
• Interior mirror

• Central junction box (CJB) fuse
• Circuitry
• Exterior mirror control switch
• Exterior mirror motor
• Interior mirror
• Driver seat module (DSM)
• Memory set switch

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1. If the vehicle is equipped with memory exterior mirrors and the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel. Select the vehicle to be tested from the diagnostic tool menu.
   • Check to make sure the program card is correctly installed.
   • Check the connections to the vehicle.
• Check the ignition switch position.

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• The mirrors are inoperative

• Circuitry.
• Central junction box (CJB) fuse.
• Exterior mirror control switch.

i have a 05 ford f150 supercrew my power adjustable pedals didnt work my mirrors didnt work n the driver seat didnt work i found the problem i had a broken wire coming out of the #3 fuse block it it was orange with a green stripe it has some heat shrink on it i cut the heat shrink tape and the wire was badly corroded i replace the splice with 18 gauge wire and and everything came back on good as new

Check to ensure the terminals are plugged in under dash...Also check the relays in the box under the hood