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Forum namePerformance/Engine
Topic subjectMSD Coil Pack PN 8239 wrong?
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=133840
133840, MSD Coil Pack PN 8239 wrong?
Posted by bnisson, Apr-15-11 02:03 AM
i was looking on MSD's site and loaded the PDF for the instructions on the coil for the 420a. I scrolled down and saw that the diagram was WRONG.

http://www.msdignition.com/instructions/Products/Coils/8239.pdf?terms=8239

It shows that coil power is going into the far right terminal, and the two grounds are next to each other (one in the middle, one far left). everything i have read and been taught says that the middle wire is power and the left/right terminals are for ground.


can anyone explain? thanks in advance
133841, RE: MSD Coil Pack PN 8239 wrong?
Posted by CODE4, Apr-15-11 04:35 AM
So it might be wrong. Would not be the first time. Check the FSM and compare to the electrical diagram.
133843, RE: MSD Coil Pack PN 8239 wrong?
Posted by 420agreenvilleSC, Apr-15-11 07:16 AM
you're correct, they're mistaken. see this (this is correct): http://download.telematica.gr/MSD/6212.pdf (pg. 12, figure 8)

middle wire = power
outer wires are for each coil
133845, RE: MSD Coil Pack PN 8239 wrong?
Posted by bnisson, Apr-15-11 09:30 AM
Originally posted by 420agreenvilleSC
you're correct, they're mistaken. see this (this is correct): http://download.telematica.gr/MSD/6212.pdf (pg. 12, figure 8) middle wire = power outer wires are for each coil


thanks for the link
133842, RE: MSD Coil Pack PN 8239 wrong?
Posted by DarkOne, Apr-15-11 07:11 AM
Originally posted by bnisson
can anyone explain?


MSD's diagram is wrong.