210-606 glow plug relay location

gflatt · 05-28-2008, 05:10 PM

got code 0380 (glow plug/heater CKT A malfunction)

looking to check fuse if, and relay to validate their operation. before chasing
glow plugs resistance. I assume you have to remove the intake manifold to gain access to the harness. If not please notify.

"99" e300d 115,000 m.

thank you

Ausmbtech · 05-31-2008, 12:57 AM

It should be located on the left hand side, behind the headlamp or under the washerbottle.

You can check the glow plug resistance from the control module plug, the pin numbers correlate to the glow plug number.

Anything over 3ohms with a cold engine (not started for 6hrs+) should be considered dead, anything between 1.5-3 ohms would be suspect.

05-28-2008, 05:10 PM	#1
gflatt Newbie Join Date: Jan 2008 Location: delaware Posts: 15	210-606 glow plug relay location got code 0380 (glow plug/heater CKT A malfunction) looking to check fuse if, and relay to validate their operation. before chasing glow plugs resistance. I assume you have to remove the intake manifold to gain access to the harness. If not please notify. "99" e300d 115,000 m. thank you

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05-31-2008, 12:57 AM	#2
Ausmbtech Senior Member Join Date: Jan 2007 Location: Sydney, Australia Posts: 373	It should be located on the left hand side, behind the headlamp or under the washerbottle. You can check the glow plug resistance from the control module plug, the pin numbers correlate to the glow plug number. Anything over 3ohms with a cold engine (not started for 6hrs+) should be considered dead, anything between 1.5-3 ohms would be suspect.