Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES LOCATION
| Component | Location |
|---|---|
| S102 | In engine control sensor & fuel charge harness, near breakout for G103. |
| S105 | In engine control sensor & fuel charge harness, near breakout to without flex fuel vehicle. |
| S106 | In engine control sensor & fuel charge harness, near breakout for G103. |
| S107 | In engine control sensor & fuel charge harness, near breakout for G103. |
| S111 | In turn signal harness, near breakout to right front side lamp. |
| S113 | In dash to headlight junction harness, in breakout to engine cooling fan relay 4. |
| S114 | In turn signal harness, near breakout to left front side lamp. |
| S142 | In starter motor & battery ground harness, near breakout to generator. |
| S143 | In starter motor & battery ground harness, near breakout to generator. |
| S144 | In fuel charge harness, near breakout for C139. |
| S149 | In front parking aid sensor harness, near breakout to left outer parking aid sensor. |
| S150 | In front parking aid sensor harness, near breakout to left outer parking aid sensor. |
| S200 | In main harness, in breakout for C214. |
| S201 | In main harness, in breakout for C214. |
| S202 | In main harness, near breakout for G103. |
| S218 | In main harness, near breakout for joint connector 1. |
| S222 | In main harness, near breakout for joint connector 1. |
| S228 | In main harness, near breakout for C212. |
| S229 | In main harness, near breakout for right footwell courtesy lamp. |
| S234 | In heater blower motor harness, near breakout to C212. |
| S235 | In heater blower motor harness, near breakout to passenger blend door actuator. |
| S302 | In body main harness, near breakout for G303. |
| S303 | In body main harness, near breakout for fuel pump driver module. |
| S305 | In body main harness, near breakout to G300. |
| S307 | In body main harness, near breakout to G300. |
| S308 | In body main harness, near breakout to G300. |
| S310 | In body main harness, near breakout for power liftgate module. |
| S311 | In body main harness, near breakout for fuel pump driver module. |
| S312 | In body main harness, near breakout to G303. |
| S313 | In body main harness, near breakout to G303. |
| S314 | In body main harness, near breakout to G303. |
| S320 | In body main harness, near breakout to G300. |
| S341 | In passenger seat sensor harness, near breakout to passenger heated seat module. |
| S342 | In passenger seat sensor harness, near breakout to passenger heated seat module. |
| S344 | In A/C blower motor harness, in breakout to aux blower speed relay 2. |
| S345 | In A/C blower motor harness, near breakout to C315. |
| S346 | In A/C blower motor harness, near breakout to aux blower motor. |
| S357 | In body main harness, near breakout for restraints control module. |
| S365 | In power seats harness, near breakout for left power seat motor assembly. |
| S366 | In power seats harness, near breakout for left power seat motor assembly. |
| S378 | In power seats harness, near breakout for driver's seat module. |
| S379 | In power seats harness, near breakout for driver's seat cushion heater. |
| S402 | In tailgate warning switch harness, near breakout to high mounted stop lamp. |
| S403 | In backup alarm jumper harness, in breakout for C406. |
| S404 | In backup alarm jumper harness, in breakout for C406. |
| S500 | In left front door window regulator harness, near breakout to exterior mirror switch. |
| S501 | In left front door window regulator harness, near breakout to exterior mirror switch.. |
| S502 | In left front door window regulator harness, near breakout to exterior mirror switch. |
| S600 | In right front door window regulator harness, near breakout to power window switch. |
| S700 | In right rear door window regulator harness, near breakout to latch reverse actuator. |
| S800 | In right rear door window regulator harness, near breakout to latch reverse actuator. |
| S900 | In interior illumination harness, near breakout for C913. |
| S901 | In interior lamps harness, near breakout for rear integrated control panel. |
| S902 | In interior lamps harness, near breakout for rear integrated control panel. |
| S903 | In interior illumination harness, near breakout for C913. |
| S904 | In interior illumination harness, near breakout for C913. |
| S905 | In interior lamps harness, near breakout for rear integrated control panel. |
| S906 | In interior lamps harness, near breakout for rear integrated control panel. |
| S907 | In interior illumination harness, near breakout for C913. |
| S908 | In interior lamps harness, near breakout for rear integrated control panel. |
| S909 | In interior lamps harness, near breakout for rear integrated control panel. |
| S910 | In interior lamps harness, near breakout for rear integrated control panel. |
| S911 | In interior lamps harness, near breakout for C919. |
| S912 | In interior lamps harness, in breakout for C919. |
| S913 | In interior lamps harness, in breakout for C919. |
| S914 | In interior lamps harness, in breakout for C919. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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