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.
2007 Mazda B3000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES LOCATION
| Component | Location |
|---|---|
| S100 | In engine control sensor wiring harness, near breakout for automatic transmission. |
| S101 | In engine control sensor wiring harness, near breakout for fuel injector No. 3. |
| S102 | In dash panel headlamp junction wiring harness, near breakout for smart junction box. |
| S104 (3.0L) | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 21. |
| S104 (4.0L) | In engine control sensor wiring harness, near breakout for ignition coil. |
| S106 | In engine control sensor wiring harness, near breakout for camshaft position sensor. |
| S107 | In engine control sensor wiring harness, near breakout for powertrain control module. |
| S108 | In dash panel headlamp junction wiring harness, at breakout for C-144. |
| S109 | In dash panel headlamp junction wiring harness, at breakout for C-110. |
| S110 | In dash panel headlamp junction wiring harness, near breakout for ABS control module. |
| S111 | In dash panel headlamp junction wiring harness, at breakout for C-144. |
| S113 | In dash panel headlamp junction wiring harness, at breakout for battery junction box. |
| S116 | In dash panel headlamp junction wiring harness, near breakout for ground No. 12. |
| S117 | In dash panel headlamp junction wiring harness, near breakout for ABS control module. |
| S118 | In dash panel headlamp junction wiring harness, near breakout for ground No. 12. |
| S119 | In dash panel headlamp junction wiring harness, at breakout for left front park/turn light. |
| S121 | In dash panel headlamp junction wiring harness, near breakout for left front wheel speed sensor. |
| S122 | In dash panel headlamp junction wiring harness, near breakout for ground No. 12. |
| S123 | In dash panel headlamp junction wiring harness, near breakout for heater blower motor. |
| S124 | In dash panel headlamp junction wiring harness, near breakout for heater blower motor. |
| S125 | In dash panel headlamp junction wiring harness, near breakout for battery junction box. |
| S126 | In dash panel headlamp junction wiring harness, near breakout for ABS control module. |
| S127 | In dash panel headlamp junction wiring harness, near breakout for battery junction box. |
| S129 | In engine control sensor wiring harness, near breakout for powertrain control module. |
| S130 | In battery cable assembly wiring harness, at breakout for fusible link A. |
| S131 | In battery cable assembly wiring harness, at breakout for fusible link B. |
| S133 | In engine control sensor wiring harness, near breakout for engine coolant sensor. |
| S135 | In engine control sensor wiring harness, near breakout for fuel injector No. 4. |
| S137 (2.3L) | In engine control sensor wiring harness, near breakout for ignition coil. |
| S137 (3.0L) | In engine control sensor wiring harness, near breakout for fuel injector No. 6. |
| S137 (4.0L) | In engine control sensor wiring harness, near breakout for automatic transmission. |
| S139 (3.0L) | In engine control sensor wiring harness, near breakout for fuel injector No. 6. |
| S140 | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 11. |
| S141 (A/T) | In engine control sensor wiring harness, near breakout for automatic transmission. |
| S141 (M/T) | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 11. |
| S143 | In engine control sensor wiring harness, at breakout for powertrain control module. |
| S144 | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 12. |
| S145 | In engine control sensor wiring harness, at breakout for powertrain control module. |
| S146 (4.0L) | In engine control sensor wiring harness, near breakout for automatic transmission. |
| S149 | In engine control sensor wiring harness, near breakout for fuel injector No. 4. |
| S150 | In engine control sensor wiring harness, at breakout for powertrain control module. |
| S151 | In engine control sensor wiring harness, near breakout for idle control valve. |
| S152 | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 11. |
| S153 | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 11. |
| S154 | In engine control sensor wiring harness, near breakout for heated oxygen sensor No. 11. |
| S200 | In main assembly wiring harness, near breakout for audio unit. |
| S201 | In main assembly wiring harness, near breakout for audio unit. |
| S203 | In main assembly wiring harness, near breakout for dash power point. |
| S206 | In main assembly wiring harness, near breakout for audio unit. |
| S207 | In main assembly wiring harness, near breakout for C-211. |
| S208 | In main assembly wiring harness, near breakout for audio unit. |
| S209 | In main assembly wiring harness, near breakout for air bag sliding contact. |
| S211 | In main assembly wiring harness, near breakout for C-211. |
| S213 | In main assembly wiring harness, near breakout for passive anti-theft transceiver. |
| S214 | In main assembly wiring harness, near breakout for instrument cluster. |
| S216 | In main assembly wiring harness, near breakout for dash power point. |
| S217 | In main assembly wiring harness, near breakout for instrument cluster. |
| S220 | In main assembly wiring harness, near breakout for blend door actuator. |
| S221 | In main assembly wiring harness, near breakout for C-211. |
| S225 | In main assembly wiring harness, near breakout for C-211. |
| S227 | In main assembly wiring harness, near breakout for C-212. |
| S228 | In main assembly wiring harness, near breakout for C-250. |
| S234 | In main assembly wiring harness, near breakout for audio unit. |
| S236 | In main assembly wiring harness, near breakout for C-211. |
| S237 | In main assembly wiring harness, near breakout for C-211. |
| S258 | In main assembly wiring harness, near breakout for C-211. |
| S404 | In rear lamp wiring harness, near breakout for C-421. |
| S405 | In rear lamp wiring harness, near breakout for fuel tank unit. |
| S406 | In rear lamp connector wiring harness, near breakout for C-421. |
| S407 | In rear lamp connector wiring harness, near breakout for C-421. |
| S408 | In rear lamp connector wiring harness, near breakout for right rear turn light. |
| S409 | In interior lamp feed wiring harness, near breakout for C-710. |
| S410 | In interior lamp feed wiring harness, near breakout for C-710. |
| S411 | In rear lamp connector wiring harness, near breakout for C-421. |
| S500 | In left front door regulator wiring harness, near breakout for left exterior rear view mirror. |
| S501 | In left front door regulator wiring harness, near breakout for driver side door lock switch. |
| S502 | In left front door regulator wiring harness, near breakout for left front speaker. |
| S600 | In right front door regulator wiring harness, near breakout for passenger side power window switch. |
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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