7-Band Car Equalizer (120-1973) Replacing a Fuse Faxback Doc. # 6630 * If the radio/cassette player does not operate, check the fuse in the power wire between the radio/cassette player and the fuse block. * If the equalizer does not operate, check the fuse in the power wire between the equalizer and the fuse block. * If neither operates and both fuses are good, check your vehicle's fuses. Follow these steps to check and change a fuse. Warning: Before you begin, turn off the vehicle's ignition, the radio/cassette player, the equalizer, and the amplifier. 1. Disconnect the appropriate power wire from the fuse block. 2. Push the fuse holder's two parts together and twist so they spring apart. 3. If the fuse is blown, replace it with a standard 30 mm fuse, with a minimum voltage rating of 3 Amps 32 Volts DC. 4. Reassemble the fuse holder by pushing together and twisting the two parts so they snap together. 5. Reconnect the appropriate power wire. Note: If the fuse immediately blows again, check for pinched wires. Also, be sure you correctly completed all connections and installed fuses with the proper ratings. (br/all-06/28/94)