Q: dashboard lights out, new 15 amp fuse blew twice/code p1747 on 1999 Mercedes-Benz SL500

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Autozone tested once when check engine light one and gave us codep6747. New amp put in twice but lasted less than week. Check engine light not on, but a couple of other warning lights flashed for short while before fuse blew second time, did not notice which ones. Now no warning lights but also no dashboard lights.
(2) Answers
(4) Comments
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seek help from someone other than auto zone for this type of car.see a german shop for adv and quit wasting your time with auto zone
Have no intention of relying on autozone but when I purchased my fuses there after explaining my fuses burnt out twice quickly, they offered to use their diagnostic machine for free for whatever help it might be. They offered no advice other than what their machine indicated was the code. I am learning the code seems to mean nothing as it relates to my 1999 500sl. I will seek qualified help but it seemed a code might point me and the mechanic in the right direction as to why two fuses burn out so quickly. Guess I am expecting too much
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yes and there code may not be correct. i believe that there code reader is ok for the basic cars but as far as german or swedish not so much.iv never seen a code come up that pertain to a direct short.
Silly question to ask , after mentioning I agree with globalhelper about autozone and their tech. abilities, but is the 15 amp fuse the correct rating for the circuit it's in? The reason I ask this , is because just a week ago at the shop I work at , we had a van that kept blowing a fuse for the pass side power window controls and the tech had replaced three times before i got to look at it. I got under the pass fuse box and looked at the label on the cover and some one had put a 7&1/2 amp where a 20amp fuse was supposed to be! He had just taken for granted (as we all do at times) that the one he took out was the right rating. Anyhow , you get what I mean. If only it ends up that simple!
Interesting. I will take a closer look at value of the fuses. But still wonder why it is that foreign manufacturers )or any domestic ones for that meatter0 need do hide useful details of their specific codes from simple and readily available diagnosttic tools available in the marketplace (why do we need to beat up on autozone?) rather than keep secrets only they can decipher. Is that somehow a necessity or simply a way to maintain control of higher priced services?
They are not 'hiding it', it is just in a system other than the OBDII , which is for emissions controls and federally mandated. If you have a Benz dealer near you , you might check out their parts dept. I like to call it fishing , but I let the parts counterperson know that ahead of time , lots of parts people like to help out the retail customers when they can , just don't treat them like idiots or like they owe it to you to give up the info. Parts people can be your best friend or your worst nightmare. If what your experiencing in your car is a known problem they would be most likely to know , since they would be selling the parts to fix it.Good luck. If we can be of anymore help I'm sure someone else might chime in with some additional ideas.
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