Okay, before we get into what you did to install, let's discuss your
questions. Green wire loop? What's that? Is that the pair of wires that
originally ran from the ignition key to the coil positive and distributor to
the coil negative? Why are you using a Blaster 2 instead of a Blaster HVC
coil with a Digital-6 ignition, not that it makes a lot of difference, but
it does make a difference. Anyway, inquiring minds want to know.;-)
The P0351 code basically says that your PCM was expecting a spark at a given
time for a given cylinder and didn't get it at that time. Any number of
things could cause that. Crossing wires would do it, even at the coil, even
at the primary side, since the secondary depends on primary for spark.
You did cross your wires, at least according to what you have listed...if my
interpretation is correct.
1) Discounting the power and ground which are your large red and black wires
we will jump right to the other four wires: red, white, orange, and black.
2) I am assuming you did no wire cutting. You disconnected the coil primary
wires from your old coil.
3a) On those old wires, you should have had a green/orange wire and a
black/gray wire.
3b) The green/orange wire (originally went to coil (+)) should be connected
to the MSD red wire.
3c) The black/gray wire (originally wnet to coil (-)) should be connected to
the MSD white wire.
4) The MSD orange wire should go to your Blaster 2 coil (+) connector.
5) The MSD black wire should go to your Blaster 2 coil (-) connector.
This should fix your problem unless crossing these wires has created a
bigger problem. You probably should talk to an MSD tech to be sure. Good
luck.
Ron
00 PB SLT QC 4X2 5.9 46RE 3.92 LSD
For modifications see my DML Profile (URL follows)
http://www.twistedbits.net/WWWProfile/dakota/Kw9pV1EkFeOYY
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of Chuong Nguyen
Sent: Monday, January 08, 2001 6:46 PM
To: dakota-truck@buffnet.net
Subject: DML: Faulty "primary #1 coil" code on dak. MSD related?
Okay, I think you guys (bernd?) can remember my mods to my 97.
msd digi 6, blaster 2 coil, underdrive crank pully, TB, intake, headers, cat
back, 1.6 rollers, 19# FMS injectors.
Anyways. about a month ago, I suddenly saw gasmileage take a HUGE dip. I
was averaging about 16.5 with highway/and lots of city driving. But it
dropped down to the 14s. about mid 14s. I was wondering what gives, so I
do the engine odometer code pull. I get a code 43 (misfires in 5 & 6)
can't figure out why, and I know the firing order is correct, but I did
double check that.
Today, I took it to school and hooked it up to the sweet snap on scanner
there. It gets a code P-0351 or something. which says "primary #1 coil"
possible causes under the trouble shooter was a shorted wire, and that was
about it, but I couldn't find a short along the coil wires along with all
the MSD wires...
My question is, did I hook up the MSD wrong? can someone confirm the
correct way of hooking it up?
1) cut that darn green wire loop.
2) power, ground, that's easy
3) the orange and white wires attach to the blaster 2 coil
4) then 2 other wires attach to the old wires that go into the coil. I
don't see where it's connected wrong. Maybe i have a faulty MSD unit? any
input is nice about now. I lost to my buddy's 4.3L 4x4 blazer!!! I'm very
mad... come on guys, you can't see another DMLer lose to a chevy SUV, can
you? Thanks in advance
-Dester
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