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 MANUALSCHRYSLER1999300M V6-3.5L VIN GREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSOLAR SENSORSERVICE AND REPAIRSOLAR SENSOR REPLACEMENT
1999 Chrysler 300M V6-3.5L VIN G
Solar Sensor Replacement
1999 Chrysler 300M V6-3.5L VIN GSECTION Solar Sensor Replacement
REMOVAL

1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
2. Remove instrument panel top cover.
3. Remove two Sun Sensor mounting screws.
4. Lift sensor out of instrument panel and disconnect wiring.
5. Remove sensor from vehicle.
INSTALLATION
CAUTION: The sun sensor must protrude approximately 1/4 inch above the instrument panel top cover. This will ensure proper operation.
For installation, reverse the above procedures.
Some ATC equipped vehicles may exhibit a lack of passenger comfort in sunny weather. This will not occur in night operation. This most likely occur in the early afternoon. Verify that the ATC system is functioning properly. Inspect the location of the sun sensor. The sun sensor must protrude approximately 1/4 inch above the instrument panel top cover to insure proper operation. If the sensor does not protrude 1/4 inch, perform the following procedure:
- Confirm that the top cover is properly installed
- Remove the top cover
- Remove fasteners from sun sensor
- Install one 1/4-20 nut per fastener under the sun sensor so that it is shimmed higher
- Reinstall the sun sensor. Do not overtighten screw. If a longer screw is required, use 8-15 x 1 inch.
Negative Battery Cable Remote Terminal:
1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
2. Remove instrument panel top cover.
3. Remove two Sun Sensor mounting screws.
4. Lift sensor out of instrument panel and disconnect wiring.
5. Remove sensor from vehicle.
INSTALLATION
CAUTION: The sun sensor must protrude approximately 1/4 inch above the instrument panel top cover. This will ensure proper operation.
For installation, reverse the above procedures.
Some ATC equipped vehicles may exhibit a lack of passenger comfort in sunny weather. This will not occur in night operation. This most likely occur in the early afternoon. Verify that the ATC system is functioning properly. Inspect the location of the sun sensor. The sun sensor must protrude approximately 1/4 inch above the instrument panel top cover to insure proper operation. If the sensor does not protrude 1/4 inch, perform the following procedure:
- Confirm that the top cover is properly installed
- Remove the top cover
- Remove fasteners from sun sensor
- Install one 1/4-20 nut per fastener under the sun sensor so that it is shimmed higher
- Reinstall the sun sensor. Do not overtighten screw. If a longer screw is required, use 8-15 x 1 inch.
RENDER: 1.0x
NO RELATED
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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.