element-j
2003 Honda Element Wiring Information 
(Note that this information is from one of the Honda Element message boards.
Though I have no reason to doubt it's accuracy, use it with the same
caution you would any info you find on the net.)

 
ITEMWIRE COLOR POLARITYWIRE LOCATION
12Vwhite +ignition harness
STARTERblack/white +ignition harness
IGNITIONblack/yellow +ignition harness
ACCESSORYblack/red +ignition harness
SECOND ACCESSORYwhite/red +ignition harness
POWER LOCKwhite/blue -gray plug above drivers kick
POWER UNLOCKwhite/green -gray plug above drivers kick
LOCK MOTORyellow/black driver kick panel
UNLOCK MOTORyellow/green driver kick panel
DISARM DEFEATyellow passenger kick panel
PARKING LIGHTS +red/black driver kick panel
PARKING LIGHTS -blue factory alarm plug *1
HEADLIGHTSblue/red -factory alarm plug *1
DOOR TRIGGER*2 -factory alarm plug *1
DOME SUPERVISIONcomes on with unlock  
TRUNK/HATCH PINred -factory alarm plug *1
HOOD PINyellow/red -factory alarm plug *1
TRNK/HTCH RELEASEblack/yellow -driver kick panel
FCTRY ALARM ARM   
FCTRY ALRM DISARM   
DISARM NO UNLOCK   
TACHOMETERblue test connector *3
SPEED SENSEblue/white cruise control module *4
BRAKE WIREwhite/black +brake pedal switch
HORN TRIGGERorange -steering column
WIPERSblue (L), blu/yel(H)-steering column
LF WINDOW UP/DNred/blk - red/yel Adriver window switch
RF WINDOW UP/DNblu/red - blu/wht Adriver kick panel
LR WINDOW UP/DNblu/blk - brown Adriver kick panel
RR WINDOW UP/DNblu/org - blu/yel Adriver kick panel
SUN RF OPN/CLOSEgrn/yel - grn/blk Arelays above driver kick
RADIO 12Vwhite/red +radio
RADIO GROUNDblack +radio
RADIO SWITCHyellow/red +radio
RADIO ILLUMINATEred/black +radio
LF SPEAKERgrn/blk - lt green radio
RF SPEAKERgrn/yel - gry/red radio
LR SPEAKERblu/wht - blu/blk radio
RR SPEAKERpink - blu/yel radio
NOTES:
This vehicle has an immobilizer system that needs to be bypassed when adding remote start. Use DEI part number 555U.
*1 The factory alarm plug is a green plug to the left of the steering column.
*2 The drivers door trigger is green, and the passenger door trigger is lt. green/black. Use both and diode isolate each.
*3 The test connector is next to the battery.
*4 The cruise control module is to the left of the steering column.
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