2 Speed Blower Motor Wiring

I have a nice bezel with a 3 speed fan switch.

2 speed blower motor wiring.

Wire a single pole double throw spdt switch into the circuit between the motor and the wall socket and you can change the speed of your two speed motor. I have an early 65 mustang with a 2 speed fan and a really crappy looking heater control bezel. If the blower is using a multi speed motor the settings will be labeled as high medium and low. 4 25 oa body wire type.

Multi fit applications blower motor volts. Since a two speed motor relies on different coils to produce different speeds there are usually two input wires. Keep in mind that not all motors are the same and some may be s. This video shows how easy it is to change a dayton 115v 2 speed motor from high to low speed.

Diagram dd4 low speed low speed u1 u1 v1 v1 w1 w1 u2 u2 v2 v2 w2 w2 l1 l1 l2 l2 l3 l3 e e high. How to wire up a 2 speed ford taurus electric fan the relays i used is the zettler az979 1a 12de for low speed and az979 1c 12d for hi speed. Using the wiring diagram for the unit that holds the blower motor it will be possible to identify the fan relay as well as the various speed terminals and terminal locations if the motor is multi speed. Ha1120 rd3106 13 2807 517 019 abpn83 301091 mva1 3291 abpn83 3011091 a22 18014 description.

Two speed motors with 2 separate windings dual winding high speed red leads red leads black leads black leads m 3 single speed only 3ø wiring diagrams u1 red v1 yellow w1 blue thermal contacts tb white l1 l2 l3 n e codes. 2 wire internal ground or 3 wire external ground motor diameter. Additionally the low speed coil is typically supplied by a red wire while the high speed coil is fed by a black wire. I am re assembling my car and the wiring harness is out as well as the heater unit.

I was going to replace the blower motor anyway so i d like to convert to a 3 speed motor.