If you go to the HF website, you should find a coupon you can print off that gets you one free or almost free.

Like this: http://www.dealsoff.com/images/multimeter-0301.jpg

More coupons in this list: http://www.dealsoff.com/harbor-freight-coupons/

No. You want to measure the resistance by putting the red lead into each female receptacle in the large plug at the end of the harness that runs from the relay to the glowplugs. The black lead goes to a good ground, preferably the negative battery terminal if the lead is long enough. The engine block is NOT a good ground.

Before anything else, check that you can hear the relay engage when you turn the key to the preglow position. If you don't hear it click, try tapping it on the side or on top. Also make sure that the strip fuse inside the glow relay is intact.

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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22