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Blower Motor Resistor

WARNING: This page is about a different variant/trim than selected.
NOTE: Blower motor resistor controls medium-high, medium-low and low blower speeds. Blower motor resistor resistance test specifications are the same for both main and auxiliary systems.

Remove blower motor resistor. See BLOWER MOTOR RESISTOR R & I . Measure resistance between indicated terminals. See Fig 1. See BLOWER MOTOR RESISTOR RESISTANCE TEST  table. If resistance is not as specified, replace resistor.

BLOWER MOTOR RESISTOR RESISTANCE TEST

Blower Motor Speed Terminal No. Resistance
Medium-High 3 & 4 0.25 Ohms
Medium-Low 3 & 1 0.8 Ohms
Low 3 & 2 2.7 Ohms
Fig 1: Identifying Blower Motor Resistor Terminals
G97H28131Courtesy of FORD MOTOR CO.