# KA to SR wiring question **URL:** \ **Category:** SON240sx Automotive\ **Created:** [August 22, 2010, 3:38pm UTC](https://forums.speedlife.net/t/ka-to-sr-wiring-question/159399 "2010-08-22T15:38:14Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![chopsticksx](https://avatars.discourse-cdn.com/v4/letter/c/6a8cbe/32.png) [@chopsticksx](https://forums.speedlife.net/u/chopsticksx)\ **Post date:** [August 22, 2010, 3:38pm UTC](https://forums.speedlife.net/t/ka-to-sr-wiring-question/159399/1 "2010-08-22T15:38:14Z")
[![http://img829.imageshack.us/img829/9303/img00463201008221759.jpg](http://img829.imageshack.us/img829/9303/img00463201008221759.jpg)](http://img829.imageshack.us/i/img00463201008221759.jpg/) SR plug on left, KA plug on right. I am wiring the KA dash plug to the SR harness. My problem is I have a red wire from the KA plug that is suppose to be for the Service Engine Soon light, but there is no red wire from the SR harness. Does anyone know what the wire color is on the SR for the SES light? ---
**Author:** ![m\_wolfenden](https://avatars.discourse-cdn.com/v4/letter/m/ce73a5/32.png) [@m\_wolfenden](https://forums.speedlife.net/u/m_wolfenden)\ **Post date:** [August 22, 2010, 3:42pm UTC](https://forums.speedlife.net/t/ka-to-sr-wiring-question/159399/2 "2010-08-22T15:42:16Z")
i had to do this a month ago in my car…i i could never get my tach going if you know which two wires to put together for the tach that would help me,i didnt hook up everything though ---
**Author:** ![chopsticksx](https://avatars.discourse-cdn.com/v4/letter/c/6a8cbe/32.png) [@chopsticksx](https://forums.speedlife.net/u/chopsticksx)\ **Post date:** [August 22, 2010, 5:10pm UTC](https://forums.speedlife.net/t/ka-to-sr-wiring-question/159399/3 "2010-08-22T17:10:33Z")
> [@m\_wolfenden](#): > > i had to do this a month ago in my car…i i could never get my tach going if you know which two wires to put together for the tach that would help me,i didnt hook up everything though For Tach signal, it is the Yellow wire with the Red stripe, just connect them both and you should be good.