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91 500SL, 93 600SL, 95 S600 coupe, 97 S320, 99 ML430, 2003 CL600, 94 SL600, 97 Kawasaki 1100 STX
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Discussion Starter #1
Hi guys.
Trying to repair my 91 500SL soft top controller. One diode burned and don't know specs for replacement. Just soldered regular one in for now. One transistor was burned on relay board, and one OKI chip was cracked. And, just in case, replaced voltage regulating chip on relay board. Controller works but after many resets. Checked all transistors and diodes. All are good. There must be some other chip that glitches. Or maybe processor itself.
Please let me know if anyone has bad, broken, burned controller and how much would you sell it for. Mine is 1298200097, I think. It's an early version with three connectors- two smaller ones on sides and one large one in the middle.

All the best,

Victor
 
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