Quote:
Originally Posted by 864Lightning
You got me wondering Bill,, went out and looked at my plug.
It is numbered 1,2,3,4,5,6,7,8
1,2,3 5,7 go to the plugs.. 4 is blank 6,8 go to the sensors. Use a volt meter and check the voltage at each glowplug tip while the relay is applying power. this is where you will verify if each plug is getting voltage.. If you have the proper voltage , 11V, and the proper resistance, .7ohms, then you are going to have current flow.
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thanks! that checks out, i mis-typed earlier. 6 and 8 are getting less voltage
ok, to summarize, i know little about what any of these procedures mean but i am getting a better grasp:
Voltage Measurements:
all but 6 and 8 (sensors) are getting 11 to 11.2 volts. that is, measuring voltage with negative lead on battery and positive on each pin with the ignition turned to preglow.
all GPs except the 2nd from the front of the car get 11-11.2 volts, with the head re-connected to the relay and the ignition on preglow. that is, measuring voltage with the negative lead on battery and positive on the threaded part of the GPs.
Resistance Measurements:
measuring with the negative lead on the battery and the positive in each of the relay head
sockets, each measures .5 or .6 except the #1 socket which indicates open. i don't understand measuring between these two things (battery and sockets) because it seems they are disconnected. (got the instructions from
http://dieselgiant.com/glowplugrepair.htm) yet the numbers still check out...
it would be more helpful to test the resistance between each socket and its corresponging GP. but i can't sigure out which goes to which. measuring the #1 socket, all of the GPs read open. measuring the #2 socket all of the GPS read between .4 and 1.6 ohms. wtf mate?
i don't understand exactly what this all means...help!
