We've been in a cold snap and I have no garage, so I have not been able to see if replacing my single bad GP will have any bearing on my problems starting at under -10 C.

The weather 'warmed' to -10 C today on the nose. I did not use the block heater last night.

Sure enough, when I cranked it this morning I was getting fuel but no evidence of any glow. (Glow light illuminates and I can hear the relay click.)

I pulled the cap off the relay and unplugged the big connector. When I turned the key to the glow position again and tested the male pins for voltage I got nothing.

Turned the key off then on again and tried for voltage at the top right receptor on the small plug (I wasn't thinking on my feet when I switched off the key). Ok. Immediately plugged both connectors back in and waited to hear the relay click off.

Turned the key and the car started.

Now I am wondering if the GP that OHM'd out way high is just a red herring and I maybe have a temp-dependent problem with either the relay or the ignition switch.

I may try again later (still pretty cold working out there, with the wind chill factor).

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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