American-Lincoln Technology
1-27
ATS 46/53 Troubleshooting Guide
GLOW PLUG CIRCUIT (DIESEL)
GLOW PLUG CIRCUIT
Conditions necessary for circuit to work
1.
Battery Voltage
2.
M6 energized
3.
Battery voltage present on terminal #2 on 11 term. strip on engine
4.
Glow plugs switch closed
Start at the glow plugs (Wire #36) and check for battery voltage, if none check M6. If there is voltage on (Wires
#1D, 1E) but not on (Wire #36) then M6 is not closed. Check for battery voltage at the coil of M6 (Wire #32), if
none and there is a good ground on (Wire #7W), then work your way back to term. #2 on engine terminal strip.
Continue checking back through glow plugs switch (Wire 9) to the battery (+).
12V BATTERY
M6
36
1,1D
9
9
9A
32
7W
27 AMPS
M6
2
KEY SWITCH
BAT.
GLOW
PLUGS
GP- SW.
GLOW PLUG
RELAY
T121