Click here to join all the cool cats following along! Ive tested the output and no air from hose. Click on the image for a more detailed view. To confirm my diagnosis, I removed the relay module, located inside an electrical box on the passenger side of the engine bay for left hand drive vehicles. Thanks ps - Brilliant forum full of info for a new owner so thank you all. Jul 22, 2014 Apr 26, 2013 Mar 9, 2013 Oct 6, 2010 www. At this age it's most likely a dead or dying pump. Here you can see the module sort of tucked under a wiring harness.
Miffy, im not too hot on electrical stuff so forgive my approach. Make sure the fuse is the correct number ex: 10, 20, 25 If it is still blowing out the fuse then you after you do some checking then it is a short in some wires Posted on Apr 18, 2009 www. Qualification for membership is for owners of such cars and true enthusiasm for the marque. A erase of the code has now removed the light on the dash. Good work, thank you everyone! Hoping you might be able to point me in the right direction. Remove the four phillips screws and the cover will pop off.
Searching for this only brings up threads of owners with similar issues. Hi Airbag I was just reading you found a new relay for £5, I cant even find one for sale never mind for a fiver!! Im going to try a wire from the battery direct to the pump. That fuel pump should be outside of the tank so it will be easy to test for power and ground at the pump if you are having a fuel related issue. This may be too obvious, but honestly, thats what it sounds like. So I know where the fuse and relay are located, I know where the pump is and the connector to it, I even have a voltmeter not really sure how to use it because about a million settings on the dial.
Search for: Don't miss a post! It will become a process of elimination. Give it a visit and you can save yourself several hundreds dollars by doing it yourself! In this case, the main power feed solder joint failed, cutting power from all accessories run by that module Installation is as easy as reversing the above steps. As mentioned, my original Tyco relay code is A 002 542 65 19 I figured there would be a Hella or aftermarket equivalent for a tenner or around there. The construction of these things are all the same, this includes the pin lay outs, you can always saw the odd pin off to be sure and safe. For some reason, Mercedes decided to use a complex and expensive relay module instead of a traditional block of separate relays. Probably easier for me to order online if someone knows an alternative part that will work.
Secondary pump is not running. All thanks to this thread and others in this forums. I usually replace the relay as a precautionary measure, but not because it failed. It could be in the starter motor or associated solenoid. Failure occurred just as the customer described, and the yellow traction control light in the middle of the speedometer was constantly on during cranking attempt above , and the starter would not crank. With the condition present i.
First, the customer complaint: car runs great, no problems, but it will occasionally die and fail to restart. I have replaced many more fuel pumps on these vehicles than relays. Or in the glow plug relay circuit. The Mercedes-Benz Owners is a completely independent organisation. A key remake without the factory transmitter will start the car, but only keep it running for a few seconds before cutting power to the motor.
Not common, but it can happen. Thank you for using FixYa. May 13, 2011 I'll be honest, it sounds like the transmitter in the key isnt reading. Check voltage at the pump as someone turns the car to on. With the new module, the car ran like a champ and even seemed like it had more power.
So what could have been an expensive job just to remove a light from the dash, resulted in costing me £25 to fix. The good news though, is that this problem is relatively easy to fix if you know how to use use solder and a soldering iron. Weird as the original part only has 3 pins on it, however there are 4 slots in the fusebox. Hi, Secondary Air Pump issues and need to replace the Relay. When a relay only has 3 pins, you will have the ground pin and the plus 12volt, all this relay is doing is to switch the 12 volts to the output, in this case the motor, so yes you can take a wire from the plus in the relay holder direct to the motor to see if it works.
Anyone know of any other ways to test a relay out. The original Tyco number is A 002 542 65 19. I would bet my grandmother you can buy it. Also look in your owners manuel for impact or emergency fuel shut off switch reset. This relay has a coil resistance of 91Ω, you can read this across 2 of the pins Something must be on my side this weekend. Membership is extended to non-owners with a genuine interest in the best engineered car in the world.