MS3x installed, tach doesn't work.
#1
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MS3x installed, tach doesn't work.
Any idea what I can do to troubleshoot my factory tach gauge now that it's not working since installing the MS3x?
Also, if anyone wants to give me a base fuel map/tune for 15 PSI on a GT2554R with 460cc injectors, that'd be awesome
Also, if anyone wants to give me a base fuel map/tune for 15 PSI on a GT2554R with 460cc injectors, that'd be awesome
#9
I feel more retarded than normal. My car hasn't had a tach since I installed the new megasquirt 2 PNP from DIYautotune. About 10 miles of driving after I installed it the car is now running on 2 cylinders. It appears that one coil is not firing. The car is using their base tune, aside from adding some timing and tuning AFR's.
I was under the impression the stock tachometer should work right out of the box with a PNP unit, is that incorrect? Do I need to physically wire the tach output on the megasquirt to the tachometer?
When I go to Tacho Output it is enabled and normal.
The base tune had the dwell settings at 3.0ms, when I contacted DIY for help they suggested I change it to 5.0ms. Would this have fried the coil? I changed it to 3.0ms now, but the coil still doesn't appear to be firing. I could just wire in my COPs, but I hate to install them if something is wrong and they're just going to get fried too.
I was under the impression the stock tachometer should work right out of the box with a PNP unit, is that incorrect? Do I need to physically wire the tach output on the megasquirt to the tachometer?
When I go to Tacho Output it is enabled and normal.
The base tune had the dwell settings at 3.0ms, when I contacted DIY for help they suggested I change it to 5.0ms. Would this have fried the coil? I changed it to 3.0ms now, but the coil still doesn't appear to be firing. I could just wire in my COPs, but I hate to install them if something is wrong and they're just going to get fried too.
#11
I'm also struggling to find the correct wire into my cluster tach, I've seen the green blue wire mentioned as well at 1h. I'm not using the igniter cuircuit, since I'm cops, was figuring I could run tachometer out (ms3x) direct to my tachometer, but what wire ? Cluster and car is a 1990. Thanks for your help !
#13
I believe I did wire them correctly, but then again I'm a noob so I could have misinterpreted the directions. It's actually LS2 coils, not COPS - sorry - I ran a fused 12V Feed and Engine ground, then have the signal wires directly from the MS3X to each coil. I was under the impression Tacho Out on pin 26 could be wired directly to my 1990 tach input signal, am I mistaken ? I did confirm I have the Tacho pullup jumper on JP3 installed.
Thanks !
Thanks !
#14
I believe I did wire them correctly, but then again I'm a noob so I could have misinterpreted the directions. It's actually LS2 coils, not COPS - sorry - I ran a fused 12V Feed and Engine ground, then have the signal wires directly from the MS3X to each coil. I was under the impression Tacho Out on pin 26 could be wired directly to my 1990 tach input signal, am I mistaken ? I did confirm I have the Tacho pullup jumper on JP3 installed.
Thanks !
Thanks !
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