# Sourcing Pull Up Resistors

**URL:** <https://community.ecumaster.com/t/sourcing-pull-up-resistors/6501>\
**Category:** EMU BLACK / CLASSIC\
**Created:** [September 14, 2026, 4:52am UTC](https://community.ecumaster.com/t/sourcing-pull-up-resistors/6501 "2026-09-14T04:52:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![MostlySilver7mSupra](https://avatars.discourse-cdn.com/v4/letter/m/f08c70/32.png) [@MostlySilver7mSupra](https://community.ecumaster.com/u/MostlySilver7mSupra)\
**Post date:** [September 14, 2026, 4:52am UTC](https://community.ecumaster.com/t/sourcing-pull-up-resistors/6501/1 "2026-09-14T04:52:24Z")

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Hello all, I’m currently trying to build a custom harness for my 7mge+t supra with an ECUMASTER Classic.

I’m in need of some pull up resistors, where is good place to source them? (I don’t want to buy some unreliable cheapos from amazon)

TIA

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**Author:** ![noon.engineering](https://dub1.discourse-cdn.com/flex013/user_avatar/community.ecumaster.com/noon.engineering/32/7208_2.png) [@noon.engineering](https://community.ecumaster.com/u/noon.engineering)\
**Post date:** [September 14, 2026, 9:55am UTC](https://community.ecumaster.com/t/sourcing-pull-up-resistors/6501/2 "2026-09-14T09:55:19Z")

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Mouser, RS, Digi-Key, Farnell etc.

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**Author:** ![Billy\_C](https://avatars.discourse-cdn.com/v4/letter/b/278dde/32.png) [@Billy\_C](https://community.ecumaster.com/u/Billy_C)\
**Post date:** [September 14, 2026, 10:46am UTC](https://community.ecumaster.com/t/sourcing-pull-up-resistors/6501/3 "2026-09-14T10:46:39Z")

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Even McMaster has resistors if in a pinch.

I usually try to get 1% tolerance ones for pull-up tasks so if the same sensor is used for multiple things the calibration is consistent.