71R1450 Red Dot Blower Motor Resistor 3-Speed 12V (3-Terminal)

Description

The Red Dot 71R1450 Blower Motor Resistor is a 3-speed, 3-terminal resistor designed for 12-volt HVAC blower systems in heavy-duty and off-highway equipment. Featuring a 1.5-ohm resistance value and a durable bakelite base, this resistor provides reliable stepped airflow control across multiple blower speeds. Its compact footprint and wide OEM compatibility make it a proven solution for truck, construction, and agricultural HVAC applications.

• Red Dot Part No.: 71R1450

• Red Dot Factory No.: RD-5-3647-0P

• Description: Blower Motor Resistor

• Voltage Rating: 12V

• Speeds: 3

• Terminal Contacts: 3

• Terminal Type: 1/4″ Blade

• Resistance: 1.5 Ω

Dimensions

• Mounting Length: 2-1/4″

• Mounting Width: 1-1/2″

• Mounting Height: 1″

• Hole-to-Hole Spacing: 1-3/4″

• Bakelite Base: 2-1/4″ × 1-1/2″ × 0.10″

• Overall Height: 1″

Features & Benefits

• Three-speed blower control for consistent airflow

• 12V operation for mobile HVAC systems

• 3-terminal design with standard 1/4″ blade connections

• Heat-resistant bakelite base for durability

• Broad OEM compatibility across truck and equipment platforms

Cross Reference Numbers

• Texas Truck A/C: 850-7900, 850-7900A

• AirSource / MEI: 1220

• Alliance: ABP N83 321060

• Bergstrom: 650441, 650790

• Climatech: CA10000, CA10050

• CoolCab: 901800

• CoolStar / MEI: 942-1068

• Euclid: E-807609

• Fleetrite: ZGG16601, ZGG16665

• Ford New Holland: 86505791

• Four Seasons: 35888

• GM: 8865281

• JBAR: 403794, 403795

• Kysor: 2099005 (Old: 223171)

• Mack: 4379-RD536470

• MotiveAir: 1-1251

• Navistar: 1669332-C1

• Omega: 33-31951, 33-31962

• PACCAR: 321060BSM, 321110BSM

• Primatech: PTAC1220

• Road Choice: SWI6068

• Truck Air / MEI: 44878

• TruckAC+: T5341

• TTA/C: 44866

• Volvo: 1697520, 3949290

• Western Star: 60032-5001

Interchange Numbers

03-13043, 1-1251, 11-0226, 1220, 1669332C1, 1697520, 2099005, 223171, 232-8394, 319360BSM, 321060BSM, 35888, 3949290, 4379-RD536470, 4379-RD536470P, 60032-5001, 650441, 650790, 71R1450, 850-7900, 86505791, 8865281, ABP N83 321060, AT262539, CA10000, CA10050, E-807609, RDHRD536470P, RDT71R1450, SWI6068, TCU18879, V1697520, ZGG16601