Mercury D4.2L D-Tronic

GLOW PLUG SYSTEM
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4C-3
Identification
75496
D2.8L D-Tronic and D4.2L D-Tronic Glow Plug
Specifications
NOTE: Glow plug system will work only when engine temperature is below 50 degrees C
(22 degrees F.).
D2.8L D-TRONIC ENGINE
Description
Specification
Glow Plug Diameter and Thread M12 x 1.25
Nominal Voltage 11 Volts
Current Draw after 30 Seconds of Operation 7.5 - 9.5 Amps
Preheat Time and Afterglow Time Controlled by ECM
Voltage drop, with test current after 30 seconds 0.63 - 0.77 Volt
D4.2L D-TRONIC ENGINE
Description
Specification
Glow Plug Diameter and Thread M12 x 1.25
Nominal Voltage 11 Volts
Current Draw after 30 Seconds of Operation 7.5 - 9.5 Amps
Preheat Time and Afterglow Time Controlled by ECM
Voltage drop, with test current after 30 seconds 0.50 - 0.60 Volt