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Blower Switch Test

Remove heater control assembly. See HEATER CONTROL ASSEMBLY under REMOVAL & INSTALLATION. Operate switch and check continuity between terminals as indicated in BLOWER SWITCH CONTINUITY table. See Fig 1. If continuity is not correct, replace blower switch.

BLOWER SWITCH CONTINUITY

Switch Position Continuity Between Terminals
Off Open Circuit
Low 5 & 3; 8 & 1
Medium (1st) 5 & 6; 8 & 1
Medium (2nd) 5 & 2; 8, 1 & 4
High 5 & 7; 8, 1 & 4
Fig 1: Testing Blower Switch
G91B05338Courtesy of CHRYSLER MOTORS.