These are the Cheap RockAuto $10 HEI modules. Others may be different. The two brass hollow rivets are swedged and have the same OHM reading to the alumiumn plate on the bottom (Pic 2). I also ground off the two plastic locating dowel pins on the bottom so it sets flat to the ECU. There is real Heat Sink paste under this module.
The screw on the ECU's empty hole is a good ground to the fake Transistor cap and then the second screw through to the HEI module is grounded well too. Just make sure the OEM ECU is grounded well.
Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
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