TwinTurbo.NET: Nissan 300ZX forum - Here is the ECU Wiring Diag
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Subject Here is the ECU Wiring Diag
     
Posted by Cjw3 on March 17, 2019 at 9:37 PM
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In Reply To Re: Re: What is a spal Kit.. and can you post a Wiring Diag? posted by ZVella32 on March 17, 2019 at 07:05 PM
     
Message [ http://www.ttxtz.com/images/ECCS_colored_m.gif ]

You say you have a TT ECU but its plugged into the NA Wire Harness.. You do not have ECU pin 6 ( Engine Fan ) going anywhere in your NA Body.. your Gray wire needs to be hooked to Pin 6.. The White one that does not exist on NA Harness Plugs.. you only have the Lavender going to pin 19, which is the A/C Fan Relay.. I was mentioning you can change the ECU PROM set point for the A/C turn on set point and it will control your Fan in a NA Wire Harness.. Or you can run your Grey wire back to pin 6 of the TT ECU but you need to add the Pin..

IF you have a NA ECU with a TT Prom in it, then even if you connect to pin 6 it wont work, as the NA ECU hardware does not have the Drivers installed.

Please Verify if you have a TT ECU, or a NA ECU with a TT PROM..

Cj

     
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