Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998)
Backup Lamp Switch: Service and Repair
1. Disconnect the connectors from the switch.
2. Check for continuity between the No. 1 and No. 2 terminals.
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There should be continuity when the shift lever is in reverse.
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There should be no continuity when the shift lever is in any position except reverse.
3. If necessary, replace the switch.