Preliminary Checks

Ensure fuses No. 14 (7.5-amp) and No. 25 (7.5-amp), located in underdash fuse/relay box, are okay. Also check fuses No. 41 (100-amp), No. 42 (40-amp), and No. 52 (20-amp) located in underhood fuse/relay box. Replace fuses as necessary. Ensure horn and tachometer operate properly.