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Title: DDEC IV 505 wire
Post by: robertglines1 on September 10, 2016, 12:52:54 PM

how do you test to see if it is sending signal to tach?? I have a unknown Tach as to good/junk. You turn switch on it zero's out. Does not read engine rpm with engine running. wire has continuity. Bob

Title: Re: DDEC IV 505 wire
Post by: robertglines1 on September 11, 2016, 05:57:10 PM

Elect Gru's; At 1000rpm should the wire read about 12 Volt VAC at 60 hz????

Title: Re: DDEC IV 505 wire
Post by: robertglines1 on September 12, 2016, 09:58:38 AM

tach is good. Now to check K1 pin at ecm

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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: robertglines1 on September 10, 2016, 12:52:54 PM