ECM 3.0
& Eon
ECM
2.3/2.5
2.3
6
wires
2.5
5
wires
Identification
Sticker
Heat sink
3.0 uses 4-pin
connector
Eon
®
motor uses
16-pin connector
Identification
Sticker
2.3
- 6 or more
wires in the
16-pin connector
2.5
- 5 or less
wires in the
16-pin connector
Painted, steel
motor control
Unpainted,
cast aluminum
motor control
Square motor
control
NOTE: Early models do not
have indentification stickers.
NOTE: ECM
1.0, 2.0,
2.3 & 2.5
motors are
no longer in
production
NOTE: See HVAC
manufacturer’s service guide
for 1.0 motor diagnostics.
ECM 2.0
ECM 1.0
OEM Variable Speed Indoor Blower Motor
Motor Identification Chart
8
MO
TOR ID