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#1
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Yet another glow plug thread
Where, actually do you place the leads to ohm out the GP's?
I know one lead will go to one of the five pins in the relay. Does the other go to ground? Pos? or somewhere else?
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81 Mercedes 300SD 289k.......SOLD 82 Mercedes 300CD 252k......slow ride 82 mercedes 300 SD...mi Unknown 83 Mercedes 300D ????ksniff..gone too 84 Mercedes 300D 148k........SOLD 85 Mercedes 300TD 386k and holding some one elses project |
#2
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negative terminal on the battery
if you dont have a long enough cable just use some copper wire |
#3
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Wouldn't it be easier to find a ground a bit closer to the glow plug relay?
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#4
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I was told you have to use the negative terminal on the battery
Quote:
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#5
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If the objective is to just test glow plugs, any convenient ground will do.
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#6
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Picture
The wire harness must NOT be connected to the glow plug relay during testing.
When testing OHMS = resistance, NEVER make contact with a live circuit or power source = it will blow the meter or internal fuse. Picture attached to make this clear. Have a great day.
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#7
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Any good ground will do.......any bare metal or screw along the fire wall/fender well will be ok.
If it had to be the negative battery terminal all of us now with W210s would have a dilemma because the battery is under the back seat. Just running a length of wire that distance has resistance.
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FRED Daily Driver: 98 E300TD 199K Hobby Car: 69 Austin Mini Past Diesels: 84 300SD, 312K 87 300SDL, 251K 94 Chev. K-1500 6.5Ltr.TD, 373K |
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