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Re: Car dies on highway, no restart 200 92

posted by  someone claiming to be Brian on  Wed Nov 22 02:39 CST 2000 [RELATED]

In my opinion, your best solution would be to desolder the relay board completely, then resolder it. The factory soldering is plagued by a combination of cheap solder and poor manufacturing process.

Use either a vacuum-style soldersucker or a desoldering wick. Since there is quite a bit of solder the soldersucker would be the preferred choice. You could be there all day using the wick, and you would run the risk of overheating the traces and causing them to lift. The good thing is the board is good quality (like FR-4) and they can take quite a bit of abuse, unlike the PCBs on some cheap Japanese stereos I've 'fixed' =8o

When you are done, the solder should be nice and shiny, not the dull grey they used to be, and should taper upward to a point. If it's all round and looks like a blob of mercury, you've got too much solder. Don't just 'lay a bead of solder' - geez, are you going to use a caulking gun or what???

Of course you could always 'buy' a new relay, but what's the fun in that?





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