A
Anonymous
Guest
i was just reading the thread started back a bit on "take forever to start" and it got me to thinking about my own similar issues.
I've had some cranking issues and some wiring issues since putting the motor back in. THe motor has a hard time starting (forever to get it to crank over) and sputters quite a bit until she gets warmed up. It also coughs back through the carb a bit during cranking sometimes. It's especially hard to crank when the motor is hot. To top it all off, my ignition switch seems to have a mind of it's own. Sometimes I turn the key and get no start...sometimes it will crank (or try to...see below). Right now, I have a remote starter trigger wired in so that I can turn it over from in the car!
my setup:
(brand new rebuild...all performance stuff from FSPP)
I have a DSII and an MSD6 box. I have the DSII connected to the MSD with MSD's harness/plug. I have the MSD's large black and red wires run directly to the +&- battery terminals. I have the MSD's two coil wires hooked to the coil. That's all per the MSD instructions: http://www.msdignition.com/pdf/pdf17.pdf
My issue comes with the ignition switch part of the wiring. The MSD has a smaller red wire that is supposed to be hooked up to 12V switched source (illustrated in the PDF above as connected to C+ outlet on that thingy...what is that? WHat is C+??).
I have a small added fuse block that I have hooked all of my switched accessories in the car to so I just ran the MSD switched 12V wire to it. However, As an added anti-theft feature, I have installed a simple toggle switch under the dash between that line from teh MSD and the switched fuse block. A flip of that switch when I exit the car kills all juice to the coil.
That fuse block gets it's juice from the ignition switch. When the switch is on, my gauges all come to life AND that MSD wire is energized (I think anyway...I put a little tester light on it and it does have 12V jiuce with the key on).
THEN when I turn the key from ON to START, the motor cranks and cranks and cranks, etc. (of course i mean when the ignition switch wants to work..otherwise I do it with the trigger) but MAN is it rough getting it to turn over.
First off, i'm planning to replace the ignition switch very soon. Is it possible that the switch is only partly dead and in the on position it's sending SOME juice to the switched accessories but NOT enough to fire the motor strongly? Partly dead might also explain the intermitent funcitoning, right?
Sorry for the novel-length question! Thanks for the help
I've had some cranking issues and some wiring issues since putting the motor back in. THe motor has a hard time starting (forever to get it to crank over) and sputters quite a bit until she gets warmed up. It also coughs back through the carb a bit during cranking sometimes. It's especially hard to crank when the motor is hot. To top it all off, my ignition switch seems to have a mind of it's own. Sometimes I turn the key and get no start...sometimes it will crank (or try to...see below). Right now, I have a remote starter trigger wired in so that I can turn it over from in the car!

my setup:
(brand new rebuild...all performance stuff from FSPP)
I have a DSII and an MSD6 box. I have the DSII connected to the MSD with MSD's harness/plug. I have the MSD's large black and red wires run directly to the +&- battery terminals. I have the MSD's two coil wires hooked to the coil. That's all per the MSD instructions: http://www.msdignition.com/pdf/pdf17.pdf
My issue comes with the ignition switch part of the wiring. The MSD has a smaller red wire that is supposed to be hooked up to 12V switched source (illustrated in the PDF above as connected to C+ outlet on that thingy...what is that? WHat is C+??).
I have a small added fuse block that I have hooked all of my switched accessories in the car to so I just ran the MSD switched 12V wire to it. However, As an added anti-theft feature, I have installed a simple toggle switch under the dash between that line from teh MSD and the switched fuse block. A flip of that switch when I exit the car kills all juice to the coil.

That fuse block gets it's juice from the ignition switch. When the switch is on, my gauges all come to life AND that MSD wire is energized (I think anyway...I put a little tester light on it and it does have 12V jiuce with the key on).
THEN when I turn the key from ON to START, the motor cranks and cranks and cranks, etc. (of course i mean when the ignition switch wants to work..otherwise I do it with the trigger) but MAN is it rough getting it to turn over.
First off, i'm planning to replace the ignition switch very soon. Is it possible that the switch is only partly dead and in the on position it's sending SOME juice to the switched accessories but NOT enough to fire the motor strongly? Partly dead might also explain the intermitent funcitoning, right?
Sorry for the novel-length question! Thanks for the help