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 MANUALSCHRYSLER2003300M V6-3.5L VIN MREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESHIGH BEAM HEADLAMPS WILL NOT TURN ON
2003 Chrysler 300M V6-3.5L VIN M
High Beam Headlamps Will Not Turn On
2003 Chrysler 300M V6-3.5L VIN MSECTION High Beam Headlamps Will Not Turn On
Test 1 - 3:
Test 4 - 9:
Test 10:
SYMPTOM
HIGH BEAM HEADLAMPS WILL NOT TURN ON
POSSIBLE CAUSES
- Open fused B+
- Relay ground open
- Fused low beam relay output circuit shorted to ground
- Switched high beam relay control circuit shorted to ground
- High beam relay circuit open
- High beam relay
- High beam relay
- Fused low beam relay output circuit open
- High beam relay
- High beam relay control circuit open
- Multifunction switch
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.