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Welding Shop

Miller Trailblazer

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Old 01-03-2016, 03:45:55 AM
Cat3306 Cat3306 is offline
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Default Miller Trailblazer

I have an early to mid 80's model Trailblazer. I'm trying to find parts for it. IT also has an issue while it's welding. It will go hot cold hot and cold. The rpms stay the same. The brushes have been replaced and it still does the same thing. Any ideas?
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Old 04-19-2018, 12:03:44 AM
Bruisedorange Bruisedorange is offline
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Default Re: Miller Trailblazer

Yes, I had same issue. Check the field current card, PC2 if I remember correctly. Carefully disconnect the wire harnesses that connect to the board, then check the solder joints on the back of the card. That fixed mine. You're gonna have to inspect with magnifying glass, and also find a solvent to remove protective lacquer coating. Look up Pace worldwide electronics on YouTube, helpful soldering repair videos from the same era as your welder. Hopefully this helps.
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