Richard,
Make sure the auxilliary water pump is not glitched and pulling more than ~1.3 amps. When it does it uses the PBCU as a fuse! Honest. Interesting MB "feature". This may explain the burned traces or it may not. 
__________________
The Golden Rule
1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)
Last edited by jbaj007; 05-30-2006 at 12:35 AM.
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