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.
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HOMESERVICE MANUALSCHEVROLET2002TAHOE 5.3 T, RWDREPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORSPLICES
2002 Chevrolet Tahoe 5.3 T, RWD
Electrical Component Locator: Splices
2002 Chevrolet Tahoe 5.3 T, RWDSECTION Splices
SPLICES LOCATION
| Component | Location |
|---|---|
| S100 | In forward lamp harness. |
| S101 | In forward lamp harness. |
| S102 | In engine harness. |
| S103 | In engine harness. |
| S104 | In engine harness. |
| S108 | In engine harness. |
| S110 | In engine harness. |
| S112 | In chassis harness. |
| S113 | In engine harness. |
| S114A | In engine harness. |
| S115 | In engine harness. |
| S116 | In engine harness. |
| S117 | In engine harness. |
| S118 | In engine harness. |
| S119 | In engine harness. |
| S120 | In engine harness. |
| S121 | Alternate fuel. |
| S122 | Alternate fuel. |
| S123 | Alternate fuel. |
| S124 | Alternate fuel. |
| S125 | Alternate fuel. |
| S126 | Alternate fuel. |
| S127 | Alternate fuel. |
| S128 | Alternate fuel. |
| S130 | Alternate fuel. |
| S131 | Alternate fuel. |
| S132 | Alternate fuel. |
| S133 | Alternate fuel. |
| S134 | Alternate fuel. |
| S135 | Alternate fuel. |
| S136 | Alternate fuel. |
| S137 | Alternate fuel. |
| S138 | Alternate fuel. |
| S139 | Alternate fuel. |
| S140 | Alternate fuel. |
| S141 | Alternate fuel. |
| S142 | Alternate fuel. |
| S143 | Alternate fuel. |
| S144 | Alternate fuel. |
| S145 | In I/P harness. |
| S146 | Alternate fuel. |
| S147 | In I/P harness. |
| S148 | In engine harness. |
| S149 | In engine harness. |
| S150 | In engine harness. |
| S151 | In engine harness. |
| S152 | In engine harness. |
| S153 | In engine harness. |
| S154 | In engine harness. |
| S155 | In engine harness. |
| S156 | In engine harness. |
| S157 | In engine harness. |
| S158 | In engine harness. |
| S159 | In engine harness. |
| S160 | In engine harness. |
| S161 | I/P harness. |
| S162 | Power take-off switch. |
| S163 | PTO relay/switch. |
| S164 | In engine harness. |
| S165 | In engine harness. |
| S166 | In fuel injector harness. |
| S167 | In fuel injector harness. |
| S168 | In fuel injector harness. |
| S169 | In fuel injector harness. |
| S170 | Fuel injector module grounds. |
| S171 | Fuel injector module grounds. |
| S172 | Battery feed to controller-Isuzu. |
| S173 | Ignition circuit to glow plug controller-Isuzu. |
| S174 | Intake heater relay-Isuzu. |
| S175 | Intake heater relay-Isuzu. |
| S176 | In Isuzu engine harness. |
| S177 | In Isuzu engine harness. |
| S178 | In Isuzu engine harness. |
| S179 | In Isuzu engine harness. |
| S197 | In battery positive cable. |
| S198 | In engine harness. |
| S199 | In engine harness. |
| S200 | At roof marker lights. |
| S201 | At roof marker lights. |
| S202 | In chassis harness. |
| S234 | In steering column harness. |
| S235 | In console harness. |
| S236 | In console harness. |
| S237 | In console harness. |
| S238 | In console harness. |
| S239 | In console harness. |
| S240 | In console harness. |
| S241 | In console harness. |
| S267 | In console harness. |
| S268 | In console harness. |
| S272 | In console harness. |
| S290 | In right front door harness. |
| S300 | In console harness. |
| S301 | In console harness. |
| S305 | In headliner harness. |
| S306 | In console harness. |
| S307 | In seat harness. |
| S308 | In seat harness. |
| S309 | In seat harness. |
| S310 | In seat harness. |
| S311 | In seat harness. |
| S312 | In engine harness. |
| S313 | In chassis harness. |
| S314 | In memory seat harness. |
| S315 | In memory seat harness. |
| S316 | In memory seat harness. |
| S317 | In right body harness. |
| S400 | In camper wiring harness. |
| S401 | In camper wiring harness. |
| S402 | In camper wiring harness. |
| S403 | In camper wiring harness. |
| S404 | In camper wiring harness. |
| S405 | In camper wiring harness. |
| S406 | In camper wiring harness. |
| S410 | In right body harness. |
| S411 | In liftgate harness. |
| S412 | In rear lamp harness. |
| S413 | In rear lamp harness. |
| S414 | In rear lamp harness. |
| S415 | In rear lamp harness. |
| S418 | In rear lamp harness. |
| S420 | In headliner harness. |
| S421 | In headliner harness. |
| S422 | In headliner harness. |
| S423 | In license lamp harness. |
| S424 | In license lamp harness. |
| S903 | Taillamp jumper harness. |
| S904 | Taillamp jumper harness. |
| S905 | Taillamp jumper harness. |
| S906 | Taillamp jumper harness. |
| S907 | Taillamp jumper harness. |
| S950 | In chassis harness. |
| SP203 | On left "A" pillar. |
| SP205 | Behind headlamp switch. |
RENDER: 1.0x
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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.