Thanks – I was just messing around and cycled the plugs to see. Heat from the resistor wires probably was all I felt. Re the relay – what I’m seeing on the fire wall seems just like a flat plug, and is mounted in a rubber push fit grommet that has no screws. What are the two relays mounted on the wheel well? The box could accommodate several, but this car doesn’t have any accessories except the electric sunroof. Unfortunately the backroads I’ve mentioned around here helped me wipe out my oil pan this PM – got home safe with plenty of oil – thank you – but need to start another thread
Thanks

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89 300E
79 240D
72 Westy
63 Bug sunroof
85 Jeep CJ7
86 Chevy 6.2l diesel PU

"The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane."
Marcus Aurelius