Blower Switch Test
Disconnect blower switch harness. Using an ohmmeter, check continuity between switch terminals while operating switch. See Fig 1. If continuity is not as specified, replace switch. See BLOWER SWITCH CONTINUITY TEST table.
BLOWER SWITCH CONTINUITY TEST
| Switch Position | Terminals | Continuity |
|---|---|---|
| Off | - | No |
| Low | 5 & 3, 1 & 8 | Yes |
| Medium Low | 5 & 6, 1 & 8 | Yes |
| Medium High | 1 & 4, 1 & 8, 4 & 8, 5 & 7 | Yes |
| High | 1 & 4, 1 & 8, 4 & 8, 5 & 7 | Yes |