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Wiring harness issue

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Old Aug 30, 2025 | 03:36 PM
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Default Wiring harness issue

Evening folks I have a dilemma!
I stupidly purchased a 2005-2008 ly6 wiring harness for my ls swap ( 2010 ly6 ) not thinking that it might cause me harness plug/sensor problems!
some of the sensor plugs from the 2005-2008 harness are completely different from the 2010 ly6 engine. i.e cam sensor, oil pressure sensor and possibly the map and maf! I have changed the front cover as I have done a vvt delete and have done a cam and ls2 sprocket!
I was going to change my sensors for new ones so i wondered if i can either change all the sensors to suite the 2008 harness or, change the harness plugs to suite 2010 sensors!
what would be my best option?
thanks in advance!!
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Old Sep 4, 2025 | 08:33 PM
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Make the harness/sensors match the ecm you are using
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Old Sep 4, 2025 | 08:50 PM
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Originally Posted by Bbknucks
Make the harness/sensors match the ecm you are using
Ditto that. Sensors best to match the ECM (E38?). Making assumption that your LS2 cam sprocket is a 4x & beige sensor, generally different cam sensor connectors depended on whether there was an extension harness involved from the cam sensor down to the oil pan level.

Oil pressure connector/sensor changed for 09.

Is MAP on engine a Bosch?

Any pics on what you have?
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Old Sep 4, 2025 | 08:55 PM
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Originally Posted by rsz288
Ditto that. Sensors best to match the ECM (E38?). Making assumption that your LS2 cam sprocket is a 4x & beige sensor, generally different cam sensor connectors depended on whether there was an extension harness involved from the cam sensor down to the oil pan level.

Oil pressure connector/sensor changed for 09.

Is MAP on engine a Bosch?

Any pics on what you have?
There's actually been a small development since I posted this, the company that supplied the harness has actually offered to exchange it on my dime ( postage ) and send me a new and correct harness. So I think im out of the woods for now!

Thanks for the response though 👍🏻
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Old Sep 4, 2025 | 09:42 PM
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Originally Posted by Mattyc
There's actually been a small development since I posted this, the company that supplied the harness has actually offered to exchange it on my dime ( postage ) and send me a new and correct harness. So I think im out of the woods for now!

Thanks for the response though 👍🏻
Great outcome 👍
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