ignition box
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
Hard to tell. I have one that was actually leaking the sand like substance under the sealer. I sealed it and it's still working fine after two years. Took me awhile to figure out what was going on. Wasn't melted, looked like an ant hill on my fender. Mine sets flat on fender well in my Bronco.
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Senior User
Joined: Jan 2011
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From: North Georgia
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Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
ME!!!
I cleaned it up last summer, sealed it with RTV, and it barfed again. Removal? Strap on your patience, scrape off as much as possible, and then use mineral spirits and lots of rags.
I'm gonna bend up a tray so it will act as a reservoir to catch the goo.... also thinking of just replacing it and keeping the barfy one as an emergency spare.
I cleaned it up last summer, sealed it with RTV, and it barfed again. Removal? Strap on your patience, scrape off as much as possible, and then use mineral spirits and lots of rags.I'm gonna bend up a tray so it will act as a reservoir to catch the goo.... also thinking of just replacing it and keeping the barfy one as an emergency spare.
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Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
Will give you some advice. If you have a wrecking yard available, scarf up a couple old Motorcraft modules. The cheap chinese replacements usually don't last long and the new good boxes are expensive. I need to make a trip myself since I just used my last one on my last project.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
Will give you some advice. If you have a wrecking yard available, scarf up a couple old Motorcraft modules. The cheap chinese replacements usually don't last long and the new good boxes are expensive. I need to make a trip myself since I just used my last one on my last project.
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
If the epoxy has melted, the module needs to be replaced. The epoxy can be scraped off with a gasket scraper.
If the leaking/overheating happens with multiple modules, then the ignition system was modified incorrectly in some way; either the ballast resistor was bypassed or an aftermarket "performance" coil with too small of a primary winding resistance was installed.
If the leaking/overheating happens with multiple modules, then the ignition system was modified incorrectly in some way; either the ballast resistor was bypassed or an aftermarket "performance" coil with too small of a primary winding resistance was installed.
Rusty Roller
Joined: Oct 2011
Posts: 1,423
Likes: 5
From: Santa Cruz Mountains
I have owned many vehicles with both factory and "cheap" modules and never had one melt down... Just days ago I was checking my turn signals and forgot to turn my ign off. Two days later my deep cycle battery was dead. On the charger for a couple of hours and she fired right up!
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