What is a starter relay?

does it make the starter move from slow to fast averagely??
What is a starter relay?
No.





When you turn your key, the electric switch inside is very small and can NOT handle much electrical power. So that signal (on signal) is carried to the starter RELAY in turns on the HIGHER current (higher power) switch to crank the engine.





Basically relay allow low power electric signal to switch high power electrical devices.





http://www.carcare.org/Electrical/starte...


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There's a second definition of starter relay





http://en.wikipedia.org/wiki/Starter_sol...











Good Luck...
What is a starter relay?
That last guy really did a good job!





You know how when your car battery is almost dead, and the car cranks... slower .. and sloowwwwer, and then you hear that CLICKETY-CLICK-CLICK. It scares you, so you turn the key off and say a prayer to YOURSELF, and then turn the key again, and CLICK CLICK.. - That's the Starter Relay -





If you can find it on your car, and it's the older type like the above gentleman's picture shows, since it's already bad (?) take a second and unplug the ( - ) negative battery cable and tuck it out of the way, then find a BIG FAT steel bolt, maybe four or five inches long. Then hold it in your hand nice and tight and put one side of it against the TOP METAL DOME/COVER of the starter relay take a regular hammer and give it two or three quick taps.





Basically, the guts inside the relay will stick after awhile, and since they're not made to be opened up, you can just whack, excuse me, ' tap ' the top of the relay with a hammer and it will spring loose and work for another week.





.. and don't forget to put the battery cable back on. ; )