Section 77 (Electrical Component Locator): Connectors

2004 Oldsmobile Bravada RWDSECTION Connectors
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTORS LOCATION

Component Location
C100 (Light Gray/Black, 36 Pin) Left rear of engine compartment, at firewall.
C101 (Diesel) (Black, 38 Pin) Top left side of engine.
C102 (Gray, 7 Pin) Left side of engine compartment, near fenderwell.
C103 (Gray, 20 Pin) Left side of transmission.
C105 (Black, 8 Pin) On right framerail, near middle of vehicle.
C106 (Black, 8 Pin) On right framerail, near middle of vehicle.
C108 (Diesel) (Black, 2 Pin) Near glow plug relay.
C109 (Black, 2 Pin) Underhood light harness, near blower motor.
C110 (6.5L VIN F) (Black, 1 Pin) 50 cm from underhood fuse/relay center, toward horn breakout.
C112 (8.1L) (Black, 10 Pin) 16 cm from fuel injector breakout.
C113 (Black, 2 Pin) Brake warning harness, under left side of dash.
C114 (Yellow, 2 Pin) Next to underhood fuse/relay center.
C116 (Black, 4 Pin) Left side of engine compartment, near upper radiator support.
C117 (Black/Gray, 4 Pin) On top of engine, next to fuel solenoid driver.
C118 (Black, 2 Pin) Top of engine, next to optical fuel temperature sensor.
C121 (Black, 2 Pin) In dash harness, 26 cm from breakout to C102.
C122 (Black, 2 Pin) In dash harness, 26 cm from breakout to C102.
C123 (4.3L VIN W) (Black, 1 Pin) In engine harness, 12 cm from breakout to ICM.
C123 (5.0L VIN M) (Black, 1 Pin) In engine harness, 12 cm from breakout to ICM.
C123 (5.7L VIN R) (Black, 1 Pin) In engine harness, 12 cm from breakout to ICM.
C124 (8.1L VIN G) (Black, 8 Pin) In engine harness, 27 cm from breakout to left ignition coil.
C125 (Black, 1 Pin) In engine harness, 65 cm from breakout to right ignition coil.
C200 (Black, 48 Pin) At base of steering column.
C201 (Black, 2 Pin) Power seat harness, under left side of dash.
C202 (Natural, 48 Pin) Near brake pedal.
C203 (Black, 2 Pin) Behind right kick panel.
C204 (Black, 6 Pin) Dash harness, near dash compartment door.
C205 (Gray, 6 Pin) Dash harness, near dash compartment door.
C206 (Black, 4 Pin) Under left side of dash, near convenience center.
C207 (Natural, 48 Pin) Under left side of dash, near brake pedal.
C208 (Black, 4 Pin) Under left side of dash, near convenience center.
C209 (Black, 4 Pin) Left body harness, behind lower left "B" pillar.
C210 (Natural, 48 Pin) Under left side of dash, near brake pedal.
C211 (Black, 23 Pin) Behind left kick panel.
C212 (Black, 23 Pin) Behind right kick panel.
C213 (Diesel) (Black, 23 Pin) Dash harness, near temperature door actuator motor.
C215 (Gray, 6 Pin) Lower left "B" pillar.
C216 (Gray, 6 Pin) Inflatable restraint harness, behind right side of dash.
C219 (Gray, 6 Pin) Under left side of dash.
C221 (Gray, 6 Pin) Under left side of dash.
C225 (Black, 23 Pin) In-line to entertainment harness, near convenience center.
C301 (Black, 7 Pin) On left framerail, near EBCM.
C301 (Diesel) (Black, 4 Pin) On left framerail, near EBCM.
C302 (Black, 4 Pin) Behind left "B" pillar.
C310 (Natural, 24 Pin) Rear video display cable to game box jumper.
C311 (Natural, 24 Pin) RSA-T cable to game box jumper.
C312 (Black, 4 Pin) Entertainment harness to mid-headliner speaker jumper.
C313 (Light Green, 2 Pin) Entertainment harness to left rear headliner speaker jumper.
C314 (Light Green, 2 Pin) Entertainment harness to right rear headliner speaker jumper.
C400 (Black, 8 Pin) Right rear corner of vehicle.
C401 (Black, 6 Pin) Right rear corner of vehicle, behind trim panel.
C404 (Black, 6 Pin) Left rear corner of vehicle, behind trim panel.
C405 (Blue, 8 Pin) Top of left "B" pillar, under headliner.
C406 (Black, 8 Pin) Right rear corner of vehicle, behind trim panel.
C407 (Gray, 6 Pin) Left rear corner of vehicle, behind wheelwell.
C408 (Black, 2 Pin) Left rear corner of vehicle, behind wheelwell.
C409 (Black, 2 Pin) Dome light harness, center of vehicle, under headliner, left side.
C411 (Black, 4 Pin) Left rear corner of vehicle, behind wheelwell.
C415 (Black, 4 Pin) Rear of vehicle, behind upper center speaker grille.
C417 (Black, 2 Pin) Center of vehicle, under headliner, left side.
C419 (Black, 2 Pin) Under headliner, behind center high-mounted stoplight.
C901 (Black/Gray, 2 Pin) Upper left rear door harness, behind door panel.
C902 (Black/Gray, 2 Pin) Upper right rear door harness, behind door panel.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.