# 90' s13, what are 2 wire colours that turn on the fuel pump ? at the sending unit

**URL:** <https://forums.speedlife.net/t/90-s13-what-are-2-wire-colours-that-turn-on-the-fuel-pump-at-the-sending-unit/130595>\
**Category:** SON240sx Automotive\
**Created:** [January 2, 2010, 1:26pm UTC](https://forums.speedlife.net/t/90-s13-what-are-2-wire-colours-that-turn-on-the-fuel-pump-at-the-sending-unit/130595 "2010-01-02T13:26:48Z")\
**Posts on this page:** 1\
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**Author:** ![alesserfate](https://avatars.discourse-cdn.com/v4/letter/a/f6c823/32.png) [@alesserfate](https://forums.speedlife.net/u/alesserfate)\
**Post date:** [January 2, 2010, 1:43pm UTC](https://forums.speedlife.net/t/90-s13-what-are-2-wire-colours-that-turn-on-the-fuel-pump-at-the-sending-unit/130595/3 "2010-01-02T13:43:30Z")

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> [@2007 Roll Call](https://forums.speedlife.net/t/2007-roll-call/25506/5):
>
> Grab a multimeter and check!

check what ? theres no chassis harness ?

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