 Another Mountain to climb, No spark |
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| DNHunt |
 Dec 16 2004, 07:57 AM
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#1
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914 Wizard? No way. I got too much to learn.  Group: Members Posts: 4,099 Joined: 21-April 03 From: Gig Harbor, WA Member No.: 598  |
I feel like one of those guys in the old black and white pictures who's cranking the engine by hand and finally gets pissed and kicks the car. I'd like to beat the shit outa the thing. I fixed the power to the starter and got it cranking, got switched 12V from the wire to the coil primary, found a short to ground in a plug that was shorting the switched 12V and tried to fire it up. NO GO!!!! ARGH!!!!.
So this morning I've been searching through the MS forums. It could be a fried transitor, mis-wired cable, wrong output selected, signal inverted, a bad EDIS Module, or the wrong polarity on the VR sensor. I'm damn near lost. Dave |
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| skline |
Dec 16 2004, 08:55 AM
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Born to Drive Group: Members Posts: 7,910 Joined: 26-December 02 From: Costa Mesa, CA Member No.: 17 Region Association: Southern California |
I wish I could help you, but I have never played with a Megasquirt before. If it were carbed and just a regular ignition, I could have it going for ya in about 15 minutes. Dont hurt the car though, its only asking for help.
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| ClayPerrine |
Dec 16 2004, 09:38 AM
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#3
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Life's been good to me so far..... Group: Admin Posts: 15,416 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille 
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IIRC.. (And I may not, it's been years since I worked on one) Ford EDIS uses a "PIP" signal to send timing info back to the computer. If you disconnect the PIP signal, it will force the EDIS into "Limp Home" mode, which runs as an electronic distributor with a fixed advance curve. By disconnecting the signals to the Megasquirt, you should see a spark on the EDIS module.
I could probably tell you more if I knew what make and model Ford the EDIS system was taken from. |
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| rhodyguy |
Dec 16 2004, 09:47 AM
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#4
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,063 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
are you sure you are getting atleast a signal from the pickup on the timing gear? carbs and a distributor are more than enough challenge for me. sorry to hear of the problem dave.
kevin |
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| Mueller |
Dec 16 2004, 09:50 AM
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#5
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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Dave,
I have a spare EDIS modual and coil pack if you need to borrow one. good luck |
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| DNHunt |
Dec 16 2004, 11:50 AM
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#6
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914 Wizard? No way. I got too much to learn. Group: Members Posts: 4,099 Joined: 21-April 03 From: Gig Harbor, WA Member No.: 598 |
You're right Clay. First thing I'll do this afternoon is disconnect the PIP and SAW and try it in limp home (fixed 10 degree advance). Thanks for the offer Mike, but I've got 3 of them kicking around.
Dave |
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| Aaron Cox |
Dec 16 2004, 11:55 AM
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#7
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
sounds way too complicated for a 30 yo engine! hope you get it sorted..... (IMG:style_emoticons/default/smilie_pokal.gif)
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