PeachParts Mercedes-Benz Forum - View Single Post

LUVMBDiesels · #5 02-27-2008, 12:58 PM

Did you make sure that all your cables are clean and tight? Did you check the ground wire from the engine to the chassis? Thsi could cause all sorts of headaches.

You can pull the alternator and have the guys at Autozone test it. They have a machine that spins it up and checks the voltage.

To start the car I would have your friend run his car at a speed above idle for about 10 minutes while it is connected to your battery. I connect the cars battery to battery and just make sure that I disconnect the donor car's negative jumper first when I am through. Starting a diesel takes a lot of juice especially to operate the glowplugs and you are probably not getting it if you just hook up the donor car and try to start yours.

If your alternator's voltage is low, you can replace the voltage regulator very easily. The dealer should have them in stock so you can do it today. If the alternator is shot, do a search on AL129X, which is a direct fit Bosch alternator that is 115amps instead of the puny 65 you have now. It is an easy upgrade and well worth it,

Good luck!