what Kohm resistances should i have for ht lead Merc 320ML

surftradie
0

Asked by Jan 12, 2013 at 06:48 AM about the Mercedes-Benz M-Class

Question type: Maintenance & Repair

4 Answers

OK what is ht lead? Kohm equals 1000 ohms of resistance in the part or wire, so whatever the resistance is is large, but for what lead?

surftradie
0

spark plug lead, multimeter reading to test for damaged spark plug lead, resistance should read? what?

Heli-Core Wires (Blue): 150 - 1,200 ohms per foot 8.5mm Super Conductor (Red): 40 - 50 ohms per foot If you do not know the specification for your wires, measure the resistance of each wire. Remember to divide the length of the wire by 12 to get a "per foot" measurement. If one wire is out of that average spec, it is at fault Solid Core Wires: You cannot run Solid Core Spark Plug Wires with an MSD Ignition Control. Solid Core wires do not suppress any Electro Magnetic Interference (EMI) which will interfere with electronics or rev limiters on your vehicle. A suppression style or spiral wound spark plug wire MUST be used.

Ted Halsall
1,475

On your vehicle there are two spark plugs per cylinder. One coil pack per cylinder with two coils in each pack. Wires are six or eight inches long with a suppressor which connects to the spark plugs. On the suppressor you will see stamped a spec for the resistance through the wire plus suppressor. Usually they are 1 K ohms. If one of the wires is unusually high (1.5 K ohms or greater) I would replace it. Try to determine which cylinder is misfiring before testing every wire.

Your Answer

Add photo

Related Questions

M-Class

Looking for a Used M-Class in your area?

CarGurus has 6,244 nationwide M-Class listings starting at $2,000.

ZIP:

Search Mercedes-Benz M-Class Questions

Mercedes-Benz M-Class Experts

#1 jihadghazali
jihadghazali
Reputation 970
#2 wellness
wellness
Reputation 760
#3 stardust
stardust
Reputation 510
View All

Related Models For Sale

Used Mercedes-Benz GL-Class"
262 Great Deals out of 4,443 listings starting at $7,995
Used BMW X5"
439 Great Deals out of 12,154 listings starting at $2,499
Used Mercedes-Benz E-Class"
603 Great Deals out of 23,082 listings starting at $1,600
Used Mercedes-Benz GLK-Class"
167 Great Deals out of 3,458 listings starting at $10,995
Used Mercedes-Benz C-Class"
596 Great Deals out of 30,332 listings starting at $1,495
Used Mercedes-Benz S-Class"
165 Great Deals out of 7,290 listings starting at $1,995
Used Mercedes-Benz GLE-Class"
27 Great Deals out of 5,098 listings starting at $43,990
Used Lexus RX 350"
386 Great Deals out of 17,466 listings starting at $6,450
Used Porsche Cayenne"
96 Great Deals out of 5,036 listings starting at $5,495
Used Mercedes-Benz G-Class"
28 Great Deals out of 1,077 listings starting at $19,950
Used Acura MDX"
337 Great Deals out of 14,721 listings starting at $2,500
Used BMW X3"
213 Great Deals out of 10,777 listings starting at $2,999
Used Jeep Grand Cherokee"
1,132 Great Deals out of 73,499 listings starting at $999
Used Land Rover Range Rover Sport"
177 Great Deals out of 5,794 listings starting at $8,000
Used BMW 5 Series"
647 Great Deals out of 19,769 listings starting at $1,999