Relay Problems... I think...

[dark_nismo]

I had a starting problem a few days ago so I let someone look at my 91 525i and try to find the problem. I later found out that they switched some of the relays around according to the prongs. He switched them between the ones on the left and right side of the car. Now my cars battery will not hold a charge for anything. So I decided to try and switch them back the best I could. Now when I put jumper cables to the battery, the horn goes off! I do not have an alarm for this car so It couldnt be it. The only thing I think it can be is the relays. HELP PLEASE!!!

[DaveVoorhis]

Sounds like the horn relay has stuck contacts, assuming you've got the right relays in the right places. To locate the relay, see the wiring diagram for your car at http://shark.armchair.mb.ca/~dave/BMW/index.html