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#1
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EZL Igntion/tach Help
Need to know if the TD signal from the ign module to the tachometer (and other places) is an A/C or D/C signal and what a normal voltage reading at idle would be. Tach has stoped working need to know if it is getting the correct signal.
Thanks MAGV5 |
#2
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What year & model car??
The TD signal is always DC.. voltage differences dependant on type of system. About 5 different systems starting in 1970 & ending in 1993 (USA cars).
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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MB Doc
Sorry, I thought all the ezl systems were the same. I guess that was a bad assumption. The MB is a 86 500 SL. Tks |
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