Operation CHARM: Car repair manuals for everyone.

FD93 - Check Stoplamp Circuit Continuity



- Key "OFF".

- Depress brake pedal and hold.

- Wiggle stoplamp circuit wires and connectors while observing stoplamps.

- Lightly tap stoplamp switch (simulate road shock) while observing stoplamps.

- Do stoplamps ever go off?

Yes -- Isolate open in stoplamp circuit and service as necessary. Clear continuous memory. Clearing Diagnostic Trouble Codes

Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Go to FD94. FD94 - Check BOO Circuit Continuity