# honda ecu question

**URL:** <https://forums.speedlife.net/t/honda-ecu-question/254700>\
**Category:** Shift518 Automotive\
**Created:** [September 25, 2010, 2:18pm UTC](https://forums.speedlife.net/t/honda-ecu-question/254700 "2010-09-25T14:18:01Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![vonzs6](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/vonzs6/32/6515_2.png) [@vonzs6](https://forums.speedlife.net/u/vonzs6)\
**Post date:** [September 25, 2010, 2:18pm UTC](https://forums.speedlife.net/t/honda-ecu-question/254700/1 "2010-09-25T14:18:01Z")

</div>

99gsr…b18b turbo…ecu is a obd1 p28…obd2 to obd1 harness…question is there a way to get the ecu to flash the signals so i can check for check engine light codes?

---

<div class="post-metadata">

**Author:** ![ReDevil](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/redevil/32/6385_2.png) [@ReDevil](https://forums.speedlife.net/u/ReDevil)\
**Post date:** [September 25, 2010, 3:09pm UTC](https://forums.speedlife.net/t/honda-ecu-question/254700/2 "2010-09-25T15:09:34Z")

</div>

You have to run a jumper wire, and turn the ignition on. I cant remember which clip it was on tho.

---

<div class="post-metadata">

**Author:** ![Reckone](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/reckone/32/6324_2.png) [@Reckone](https://forums.speedlife.net/u/Reckone)\
**Post date:** [September 27, 2010, 11:50am UTC](https://forums.speedlife.net/t/honda-ecu-question/254700/3 "2010-09-27T11:50:05Z")

</div>

The ecu conversion harness should have 2 wires to jump to get the CEL to flash.

---

<div class="post-metadata">

**Author:** ![vonzs6](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/vonzs6/32/6515_2.png) [@vonzs6](https://forums.speedlife.net/u/vonzs6)\
**Post date:** [September 27, 2010, 4:15pm UTC](https://forums.speedlife.net/t/honda-ecu-question/254700/4 "2010-09-27T16:15:09Z")

</div>

> [@LS1 = LS1](https://forums.speedlife.net/t/ls1-ls1/35284/50):
>
> The ecu conversion harness should have 2 wires to jump to get the CEL to flash.

yes i found that and was able to get the codes thanks