Supercharged 2 Posted March 31, 2005 Anyone know what this does?? Quote Share this post Link to post Share on other sites
carpoid 0 Posted March 31, 2005 Mmmm - have a read of this........ http://www.corrado-club.ca/forum/ultima ... =000907&p= Quote Share this post Link to post Share on other sites
W3RKD 0 Posted March 31, 2005 also known s the X relay... :wink: Quote Share this post Link to post Share on other sites
Kevin Bacon 5 Posted March 31, 2005 Isn't that the one that prevents an overload on the fuseboard? Quote Share this post Link to post Share on other sites
Henny 0 Posted April 1, 2005 The x relay has a very simple job. It switches off most of the non-neccesary electrical devices when you are cranking the engine over to start it. This allows the maximum ampage from the battery to be dedicated to starting the engine and also protects some of the other circuits from voltage spikes/dips caused when the high drain from starting the engine hits. It's secondary function is to reduce the load on the ignition switch. By making the ignition switch fire a relay instead of switching the ignition live internally, you reduce the risk of fire/failure dramatically. 8) Shame they didn't think to put in a starter relay too, then none of us would have suffered from the ignition switch failing... :roll: :lol: Quote Share this post Link to post Share on other sites
Supercharged 2 Posted April 1, 2005 Cool, good explanation Henny, so It only comes into play when starting up?? Reason I asked question was it's the only relay that looks a bit suspect as the writing has worn away (as if it's got to hot at some point) but I think it's fine... Quote Share this post Link to post Share on other sites
Kevin Bacon 5 Posted April 1, 2005 Aye, and that's why the stereo goes off when you start the engine :wink: Quote Share this post Link to post Share on other sites
Henny 0 Posted April 1, 2005 Supercharged, yup, that's right... They do tend to get a little warm, especially if you are running brighter bulbs in your headlamps, lots of ICE running off the ignition live etc etc etc as ALL of that current goes through that relay... A good example of the X relay's effect is to put on your headlamps and watch what happens as you try to start the car... The headlamps will drop to sidelights as you crank the startermotor to save on current draw. 8) Quote Share this post Link to post Share on other sites
