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Re: My relay switch keeps burning out and preventing my...
Are you talking about the starter relay? There are gauges that measure the juice needed to spin the starter. This way you find out if the starter is bad. Some major autoparts stores will test for free.
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There isn't one. A relay is an electronic switch that uses a small amount of power to slam open and shut contacts which are carrying a much larger amperage load. This prevents switches from burning up. There is virtually no Amps used in the gauges.
sticking relay contacts in the PCM power relay , maybe . It's located in the central junction box . That is the inside the vehicle fuse box. That relay supply's power to the engine computer , ignition system , fuel etc.... If the contacts are stuck closed or sticking the engine would keep running with key off .
Don't believe it would be the ignition switch. It sounds like the starter relay may be stuck in the on position. Find the starter relay and pull it out. One terminal would be hot at all times-use a test light grounded to engine block and probe the relay terminals. Should only have one terminal showing power. Now have someone hold the key in start position. Now you should have two terminals showing power, and when key is released to the run position, the second hot terminal should stop showing power. If it works like this, try a new relay, or a known good one. If second terminal still shows power without key being in start (cranking) position, then it may be the ignition switch or the wiring and connections between the switch and the starter relay. You will keep burning starters out till fixed. Starters that are run more than a few seconds at a time will get too hot and burn out.
I think you should go for manual first after that it would be easy for you to solve your problem. I had visited this site past 2 months before for my vehicle and find it quite helpful may be you will also get something useful here Lincoln Navigator 2003 2006 WorkSHOP Service repair manual Download
check the relay #303 if its burned or damaged and you can buy it at an auto parts if that relay is not the problem check the rest of the relay just to make sure they are working properly hope that this can help with your problems
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