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.
1992 Geo Prizm Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Component Locations
Component Locations
| Component | Location |
|---|---|
| Audio Alarm Module | Mounted To Junction Block 1. See Fig 1 . |
| Junction Block 1 (Base, LSi) | Lower Left Shroud. See Fig 2 . |
| Junction Block 1 (GSi) | Lower Left Shroud. See Fig 3 . |
| Junction Block 3 | Behind Instrument Panel Support Brace Above Steering Column. See Fig 2 or Fig 3 . |
| Junction Block 3 Connector C3 (12 Cavities) | Cowl Harness To Junction Block 3, Behind Instrument Panel Support Brace Above Steering Column. See Fig 6 . |
| Left Front Window Motor Connector | Left Front Door. See Fig 5 . |
| Left Rear Window Motor Connector | Left Rear Door. See Fig 5 . |
| Left Rear Window Switch Connector | On Door Armrest. See Fig 5 . |
| Right Front Window Motor Connector | Right Front Door. See Fig 5 . |
| Right Front Window Switch Connector | On Door Armrest. See Fig 5 . |
| Right Rear Window Motor Connector | Right Rear Door. See Fig 5 . |
| Right Rear Window Switch Connector | On Door Armrest. See Fig 5 . |
| Window Circuit Breaker/Relay Retainer (Cassette) | Behind Left Kick Panel Near Junction Block 1. See Fig 1 . |
| Window Master Switch Connector | Left Front Door Armrest. See Fig 5 . |
| C204 (5 Cavities) | Instrument Panel Harness To Cowl Harness, Lower Left Shroud. See Fig 4 . |
| C209 (15 Cavities) | Left Front Door Harness To Floor Harness, Behind Left Kick Panel. See Fig 4 . |
| C211 (10 Cavities) | Floor Harness To Instrument Panel Harness, Behind Left Kick Panel. See Fig 4 . |
| C213 (10 Cavities) | Right Front Door Harness To Instrument Panel Harness Behind Right Kick Panel. See Fig 4 . |
| C310 (8 Cavities) | Floor Harness To Left Rear Door Harness, Near Base Of Left "B" Pillar. See Fig 5 . |
| C312 (8 Cavities) | Floor Harness To Right Rear Door Harness, Near Base Of Right "B" Pillar. See Fig 5 . |
| S222 | Instrument Panel Harness, Behind Left Side Of Instrument Panel. See Fig 4 . |
| S225 | Cowl Harness, Behind Left Side Of Instrument Panel. See Fig 1 . |
| S234 | Instrument Panel Harness, Behind Left Side Of Instrument Panel. See Fig 4 . |
| S236 | Instrument Panel Harness, Behind Left Side Of Instrument Panel. See Fig 4 . |
| S300 | Floor Harness, Under Left Rear Seat. See Fig 4 . |
| S345 | Floor Harness, Behind Left Side Of Instrument Panel. See Fig 4 . |
| S346 | Floor Harness, Near Left Front Door. See Fig 4 . |
| G200 | Left Kick Panel. See Fig 1 . |
| G306 | Left "C" Pillar. See Fig 4 . |
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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