Ignition ID 1992 k1500, AC delco or GM

[Jackalope400]

Hey folks, Looking at replacing the igntion module and other componants on my 1992 k1500, Getting the 42 code and figured at 230k miles I would give everything a refresh. Question I have is when I am on the Parts sites they show a HEI and NON HEI module when it comes to genuine GM or AC delco?. In their pictures they look I identical. All the after market modules only show one THey don't look like the old school HEI I am used too?

How do you know which igntion you have if there is a difference. Going by VIN?

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[JOHNGAAA1]

Go oem only or you will be sorry.

 

[Jackalope400]

Go oem only or you will be sorry.

Only wanting GM but You didn't read my question apparently. 2 differernt parts number for the OEM genuine stuff..

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[Jackalope400]

Some good info here with same question, I called their 1-800 number and they gave me the correct part number for my vin.

Which Ignition Control Module do I need....ACDelco D1943A or D1984A ?

I am trying to find out which ACDelco ICM is correct for my truck.....D1943A or D1984A. The info on Rockauto shows the D1943A is for "W/O HEI". I guess then D1984A means for HEI distributor. I also went to ACDelco's web site and entered my VIN, and it lists both ICMs for my truck, again with the...

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