Fan Amplifier Testing
Turn ignition switch on. Turn A/C switch on (if equipped). Measure voltage at terminal wires of fan amplifier. If voltage is not as specified, replace fan amplifier. See Fig 1 . See FAN AMPLIFIER VOLTAGE TEST table.
FAN AMPLIFIER VOLTAGE TEST
| Blower Switch Position | Terminal | Voltage |
|---|---|---|
| On | f | Below 2 |
| A | h | Below 2 |
| Off | f | 12 |
| A | h | 12 |
| Turn From Low To Maximum | a | 5-12 |
| Maximum | i | Below 2 |
| Medium | i | 12 |