Question about 1990 Acura Legend
Try this: When it's hot inside your car it
causes a solder joint on a little circuit board in your Main/Fuel Relay
to loose contact. The MAIN RELAY is up above your gas pedal near the
cruise control computer. Almost directly behind the dash vent opposite
of your coin drawer. It will be a gray or brownish/orange box with a
plug of wires connected to it. Use a 10mm socket (with extensions to
reach) to move the metal cruise control unit out of the way and tap the
Relay, "Plastic Box", while someone tries to start the car. If you can
bring it down into better view you can tap it and start the car if
TO FIX THE PROBLEM: Don't buy a new one, just pry the cover off of it with a flat head screwdriver and look close where all the sharp pins are sticking up on the board to find the broken solder connection(s). Heat the faulty pin with a soldering iron until the solder puddles around it and your good to go. The crack in the solder will be smaller than a human hair, look close & wiggle it and you'll see the loose connection. There is usually no need to add solder, what is there is enough, it just needs melted again. Works every time on the Accord, Prelude, Civic and Integra.
Posted on Jun 05, 2010
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Posted on Jan 02, 2017
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