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BRAKE LAMP SWITCH CIRCUIT (CONTINUED) 7. MEASURE BRAKE LAMP RELAY CONTROL CIRCUIT VOLTAGE With the ignition on. Measure the voltage of the Brake Lamp Relay Control circuit at CAB Is the voltage above 10 volts? Yes >> Go to 11 No >> Go to 8 8. MEASURE FUSED IGNITION SWITCH OUTPUT CIRCUIT VOLTAGE Turn the ignition off. Remove the Brake Lamp Relay. Turn the ignition on. Measure the voltage of the Fused Ignition Switch Output circuit at Is the voltage above 10 volts? Yes >> Go to 9 No >> Repair the Fused Ignition Switch Output circuit. Perform ABS VERIFICATION TEST. ZH BRAKES - ABS ELECTRICAL DIAGNOSTICS 5 - 177 |