1978 m-benz horns

can any one tell me which one is the positive and negative wires still attached with the bosh horn I asume the pink strip combine with 2 another color is positive and the other wires got black stripecombine with one color is neg. went to junk yard and bought 2 pairs of them original bosh and wants to install it to my toyota 87 and 89.I did it b4 on my corolla it works good but now after I installed it to my 1989 camry only one horns been heared .thankz in advance.

got it fixed .