nissan tacho Sr20

Discussion and support for MoTeC's previous generation ECUs.

nissan tacho Sr20

Postby garykenward on Sun Jun 07, 2009 7:54 pm

Hi ,Im just finishing wiring in my M400 to my 200sx S14a(silvia SR20DET) , but i dont know how to wire the AUX 4 output to the tacho, I know I need a resistor between 12v and the Aux 4 output, but i dont know what type or value.... Anyone done this before...? Thanks Gal
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Re: nissan tacho Sr20

Postby Martin on Mon Jun 08, 2009 3:42 am

try a 4.7K to 12v, im some cases ive gone as low as 1K

.Aux4----------------------------------------recounter pulse input
. |
. |
. 4.7k
. |
. |
....................................................................12v
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Re: nissan tacho Sr20

Postby Martin on Mon Jun 08, 2009 4:13 am

this drawing is more like it
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Re: nissan tacho Sr20

Postby garykenward on Tue Jun 09, 2009 12:56 am

Cheers Martin....top man.... :D
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