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.
1994 Ford Bronco Full Size V8-302 5.0LFACTORY OEM SERVICE PROCEDURE
FE13 - Check BLR Circuit Continuity
- Key "OFF".
- Disconnect blower motor relay.
- Breakout box installed, PCM disconnected.
- Measure resistance between test pin 14 (test pin 29 for CD4E and Calif. M/T) at breakout box and BLR circuit at Power Distribution box (refer to Pinpoint Test schematic). FE - Testing Schematic
- Is resistance less than 5.0 ohms?
Yes -- Go to FE14. FE14 - Check BLR Circuit For Short to Ground
No -- Service open circuit. Remove breakout box. Reconnect all components. Verify elimination of idle speed concern.
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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