2002 Ford F-350 Diesel Tach & Glow Plug

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |

|              12V|yellow & lt. grn/pur|+  |ignition harness            ||          STARTER|green               |+  |ignition harness            ||         IGNITION|RED / lt. green       |+  |ignition harness            ||        ACCESSORY|gry/yel & RED / blk   |+  |ignition harness            || SECOND ACCESSORY|blue/lt. green      |+  |ignition harness            ||       POWER LOCK|*1                  |   |*1                          ||     POWER UNLOCK|*1                  |   |*1                          ||       LOCK MOTOR|pink/black          |   |VSM *2                      ||     UNLOCK MOTOR|RED / orange          |   |VSM *2                      ||    DISARM DEFEAT|pink/orange         |   |VSM *2                      || PARKING LIGHTS +|brown               |   |headlight switch            ||       HEADLIGHTS|RED / yellow          |+  |headlight switch            ||     DOOR TRIGGER|BLACK/ lt. blue      |+  |either kick panel           || DOME SUPERVISION|use door trigger    |   |                            ||  FCTRY ALARM ARM|                    |   |                            ||FCTRY ALRM DISARM|                    |   |                            ||       TACHOMETER|*3                  |   |ignition coils              ||      SPEED SENSE|gray/black          |   |instrument cluster or *4    ||       BRAKE WIRE|lt. green           |+  |brake pedal switch          ||     HORN TRIGGER|blue                |-  |steering column or VSM *2   ||           WIPERS|blue/orange         |-  |steering column             ||  LF WINDOW UP/DN|wht/blk - tan/lt blu|A  |driver window switch        ||  RF WINDOW UP/DN|wht/yel - tan/lt blu|A  |driver kick panel           ||  LR WINDOW UP/DN|gry/org - yel/lt blu|A  |driver kick panel           ||  RR WINDOW UP/DN|yel/blk - RED / blk   |A  |driver kick panel           ||        RADIO 12V|lt. GREEN/ purple    |+  |radio                       ||     RADIO GROUND|BLACK/ lt. green     |-  |radio                       ||     RADIO SWITCH|pink                |+  |radio                       || RADIO ILLUMINATE|lt blue/red (dimmer)|+  |radio                       ||       LF SPEAKER|org/lt grn-lt blu/wh|   |radio                       ||       RF SPEAKER|wht/lt grn - grn/org|   |radio                       ||       LR SPEAKER|gry/lt blu - tan/yel|   |radio                       ||       RR SPEAKER|org/red - brn/pnk   |   |radio                       |

Notes:

*1 Without keyless entry use pink / YELLOW for lock and pink/lt. green for unlock. They are 5 wire reverse polarity mastered from the driver switch and found in either kick panel. With keyless entry use WHITE/ red for lock and BLACK/ white for unlock. They are negative trigger and found at the VSM. On the vehicles with keyless entry the GEM shuts down after the doors have been locked for a certain time period, to 'wake-up' the system refer to directfax document #1094.  *2 The VSM (Vehicle Security Module) is to the right of the accelerator pedal above the transmission hump below the radio. Not accessible from radio opening.  *3 For tach go to any one of the ignition coils and use the wire that is NOT RED / lt. green. On diesel vehicles the tach wire is green or white, in a 42 pin plug under the clamp on the engine side of the air intake duct. On diesel vehicles the wait to start light is activated by a databus wire from the ECM. To do wait to start use a pulse timer relay and follow directfax document #1091.  *4 Also found at the radio on vehicles that have the in-dash CD changer.

Is up to the installer totest all wire whenever pssible with a DMM

Luis

Sound Waves

Is up to the installer to test all wires with a DMM whenever possible.

Definately use the glow plug wire!

And Haku is right about the tach!  That is the only way to go!

I dont think that US/Canadian are different.  From my info, 03 and up are databus on the wait to start.  The 03 I just did was databus, but 15 sec timer works just fine.  Hak

Siemens Autostart

Haku, did you actually test that 03?  My company truck is an '03 and i was able to get it at the intrument cluster.  I have done about 5 or 6 03's and have yet to find one that this didn't work.   Was the one you worked on a 7.3L?  Perhaps this changed when they changed the engine.  The instument cluster is the same part number according to my local ford dealership so I don't see how anything changed.