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.
2000 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES
| Component | Component Location |
|---|---|
| S106 (3.4L VIN E) | Engine wiring harness, on left side of engine compartment, 4 cm from PCM harness connector breakout. |
| S106 (3.8L VIN K) | Engine wiring harness, below left side of radiator, 6.5 cm from PCM connector breakout. See Figure. |
| S109 (3.4L VIN E) | Fuel injector jumper harness, 3 cm from fuel injector No. 1 breakout. |
| S109 (3.8L VIN K) | Engine wiring harness, top of engine at IAT sensor breakout. |
| S114 | Forward lamp wiring harness, right side of engine compartment, 14.5 cm from right headlamp breakout. |
| S115 | Transaxle wiring harness, 19 cm from C113. |
| S121 | Engine jumper harness, below intake plenum, 2 cm from fuel injector No. 3 breakout. |
| S130 | Forward lamp wiring harness, near left headlamp, 4 cm from ambient air temperature gauge sensor. |
| S131 (3.4L VIN E) | Engine wiring harness, right front of engine, 2.5 cm from C102 breakout. |
| S131 (3.8L VIN K) | Engine wiring harness, right front of engine, 10.5 cm from C112 breakout. |
| S132 | Forward lamp wiring harness, inside engine wiring harness junction block, 3 cm from bracket. |
| S144 | Electronic ignition control module jumper harness, 12 cm from electronic ignition control module. |
| S145 | Electronic ignition control module jumper harness, 18.5 cm from electronic ignition control module. |
| S148 | Forward lamp wiring harness, near left headlamp, 18.5 cm from G101 breakout. |
| S150 | Forward lamp wiring harness, near left headlamp, 17 cm from ambient air temperature gauge sensor. |
| S157 (3.4L VIN E) | Engine wiring harness, left front of engine compartment, 10.5 cm from C112 breakout. |
| S157 (3.8L VIN K) | Engine wiring harness, left rear of engine, at EGR valve breakout. |
| S158 (3.4L VIN E) | Engine wiring harness, left front of engine compartment, 4 cm from C112 breakout. |
| S158 (3.8L VIN K) | Engine wiring harness, left rear side of engine, 6.5 cm from EGR valve breakout. |
| S169 (3.4L VIN E) | Engine wiring harness, lower left rear side of engine compartment, 4 cm from C113 breakout. |
| S169 (3.8L VIN K) | Engine wiring harness, lower left rear side of engine compartment, 6.5 cm from C113 to transaxle breakout. |
| S172 | Forward lamp wiring harness, near left headlamp, 2.5 cm from ambient air temperature sensor breakout. |
| S173 | Forward lamp wiring harness, near left headlamp, 4 cm from ambient air temperature sensor breakout. |
| S174 | Forward lamp wiring harness, near left headlamp, 10.5 cm from ambient air temperature sensor breakout. |
| S175 | Forward lamp wiring harness, near left headlamp, 31.5 cm from ambient air temperature sensor breakout. |
| S176 | Forward lamp wiring harness, 4 cm from right headlamp breakout. |
| S177 | Forward lamp wiring harness, inside engine wiring harness junction block, 13 cm from bracket. |
| S178 | Forward lamp wiring harness, inside engine wiring harness junction block, 7 cm from bracket. |
| S179 | Forward lamp wiring harness, inside engine wiring harness junction block, 2 cm from bracket. |
| S190 | Engine wiring harness, lower left front side of engine, 12.5 cm from left wheel speed sensor breakout. |
| S216 | I/P wiring harness, behind center of dash, 6.5 cm from temperature control actuator motor breakout. |
| S217 | I/P wiring harness, 7.5 cm from BCM breakout. |
| S229 | I/P wiring harness, behind right center of dash, 8.5 cm from ignition & start switch breakout. |
| S234 | I/P wiring harness, behind right center of dash, 15 cm from ignition switch breakout. |
| S236 | I/P wiring harness, behind right side of dash, 4 cm from BCM breakout. |
| S244 | I/P wiring harness, behind right of dash, 4 cm from fuse block breakout. |
| S253 | I/P wiring harness, behind lower right side of dash, 4 cm from dash courtesy lamp breakout. |
| S320 | Main body wiring harness, left side of passenger's compartment, 6.5 cm from C311 breakout. |
| S322 | Main body wiring harness, below driver's seat, 10 cm from C311 breakout. |
| S328 | Main body wiring harness, 70 cm from C405 breakout. |
| S338 (Impala) | Console wiring harness, 13 cm from ashtray lamp breakout. |
| S338 (Monte Carlo) | Console wiring harness, 6.5 cm from electronic control switch breakout. |
| S390 (Impala) | Roof wiring harness, right front side of roof, 18 cm from dome lamp breakout. |
| S390 (Monte Carlo) | Roof wiring harness, right front side of roof, 11.5 cm from dome lamp breakout. |
| S391 (Impala) | Roof wiring harness, right front side of roof, 24.5 cm from dome lamp breakout. |
| S391 (Monte Carlo) | Roof wiring harness, right front side of roof, 44.5 cm from dome lamp breakout. |
| S392 (Impala) | Roof wiring harness, right side of roof, 31 cm from dome lamp breakout. |
| S392 (Monte Carlo) | Roof wiring harness, right front side of roof, 54 cm from dome lamp breakout. |
| S399 | Sun roof wiring harness, 7 cm from limit switch. |
| S400 | Rear body wiring harness, left front side of rear compartment, 19.5 cm from P400. |
| S401 | Rear body wiring harness, left front side of rear compartment, 26 cm from P400. |
| S504 | Left front door wiring harness, 6.5 cm from window switch breakout. |
| S604 | Right front door wiring harness, 6.5 cm from door lock switch breakout. |
| S900 (Impala) | Rear deck lid wiring harness, 31 cm from center high mounted stoplamp breakout. |
| S900 (Monte Carlo) | Rear compartment lid wiring harness, 45 cm from center high mounted stoplamp connector breakout. |
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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