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98-02 LS1 Engine Harness

 
Old 12-19-2018, 04:04 PM
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Default 98-02 LS1 Engine Harness

Hey everyone,

im trying to find the part number for the OEM engine harness for a Ď99 SS w/T56. Previous owner with himself or someone else try to delete or remove some function by cutting harness wires which Iím now finding out has fried my PCM so I want to replace the harness in addition to the PCM so I donít fry the new pcm but all Iím finding are aftermarket wire jobs. Unfortunately I didnít find out my PCM seas fried til after I had my friend trybtonthne it post head/cam swap and received a cam pos sensor malfunction. $250 wasted on a tune license I canít use..
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Old 12-20-2018, 05:04 PM
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I believe I would just get the full FiTech stand alone system. Its 800 bucks, self learning, computer, harness, touch screen controller, plug n play, etc
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Old 12-21-2018, 08:32 PM
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Or just buy a good used harness for about 200
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Old 12-31-2018, 04:25 PM
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The 98 harness is different than the 99-02. The 98 uses a three-wire coolant sensor, as opposed to a 2wire on the 99 (I might have this reversed, itís been a while) + a few other things.
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Old 01-02-2019, 10:38 PM
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There is a guy on facebook who sells complete new harnesses for about $500.
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Old 01-03-2019, 04:56 AM
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$500? Might as well buy a psi harness for the same price but they are a well known company.
or sometimes Ebay has a rebate you can use on anything on eBay parts. Got my psi harness new for $450 shipped
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