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Blower Switch

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.