MS 2 MSD 6AL NO SPARK need help

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toddmc1967
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Joined: Mon Aug 04, 2008 1:16 pm

MS 2 MSD 6AL NO SPARK need help

Post by toddmc1967 »

i have no output to the white wire to the msd.i have rpms when starting,i have injectors firing.i have tested the msd it will fire.i have gone over the jumpers etc.im have problems getting the o2 sensor to work could that cause no output?i have a 4 wire o2 it has a purple wire + sig,tan wire - sig,2 browns + and - heater right?is there and special settings in the ms2?also i have the mallory unilite dis.i have installed the 470 ohm res.
toddmc1967
MegaSquirt Newbie
Posts: 4
Joined: Mon Aug 04, 2008 1:16 pm

Re: MS 2 MSD 6AL NO SPARK need help

Post by toddmc1967 »

do i need a 1000 ohm pullup resistor?
insanezane
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Joined: Mon Sep 22, 2008 5:35 pm

Re: MS 2 MSD 6AL NO SPARK need help

Post by insanezane »

does it show any rpm on megatune when cranking over and you aren't getting any thing to the white wire or are you getting nothing in megatune too Zane
toddmc1967
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Posts: 4
Joined: Mon Aug 04, 2008 1:16 pm

Re: MS 2 MSD 6AL NO SPARK need help

Post by toddmc1967 »

im get rpm when cranking.nothing to white wire on msd.i can spark the msd by touching white wire to ground.i added the 1k resistor to the circuit and still nothing?
insanezane
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Posts: 28
Joined: Mon Sep 22, 2008 5:35 pm

Re: MS 2 MSD 6AL NO SPARK need help

Post by insanezane »

ok so at least its picking up the signal do you know if you have j 10 jumpered to igout on your board and any way to send me your setting from megatune maybe its just a incorrect setting . Zane
toddmc1967
MegaSquirt Newbie
Posts: 4
Joined: Mon Aug 04, 2008 1:16 pm

Re: MS 2 MSD 6AL NO SPARK need help

Post by toddmc1967 »

i got its sparking.the problem was the q16 was shorted to heat synch.i read that one version on the driver had a live tab.so i raised it off of the sync and its sparked.it will run but it acts like the timing is off.i read on the msd page there are setting that i nee to adjust.im going to do that tonight.if ther any othe settings i need to change let me know.thanks
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