While investigating glow system on 98, pulled some codes.

P1630 Drive authorization signal

P1482 Glow output stage N14/2

I swapped out the relay just because I had one. It looks like the glow code is generic. I would have thought I'd get P1481 with just a bad plug.

__________________
14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 158k miles
06 E320 CDI "Rutherford", Black on Tan, 177k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 144k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 72k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife