From: J Travis (dagobert@ix.netcom.com)
Date: Tue Aug 05 2003 - 07:19:00 PDT
Can I suggest two things to check? First, make sure your ground straps
are all there, unbroken and uncorroded at where they connect. If the
ground cable from the batteries is connected to the frame, then make
sure there is also a solid ground strap between the frame and the engine
block as well.
The one other possiblity it sounds like is a dead cell in one of the
batteries. Sometimes if the plates in a battery get hot and warp just
enough to touch each other, or if enough sediment builds up at the
bottom of the battery to allow the plates to short out, then it will
read the correct voltage in a static condition, but once you put a load
upon it, the voltage will drop and give either very low power, or
sometimes absolutely nothing.
These may have already been suggested and checked out, and if si, I
apologize. Just trying to help. Only other thing that jumps to mind
might- MIGHT be a bad ignition switch.
J Travis
Antonio Regazzoni (Home) wrote:
>Hi list,
>
>I think I'm having the same problem as Rich Sherman. I have a M151A2 with two good batteries. They are not charged 100% but I can measure 12.6 V on both of them. This makes 25.2 V total. When I crank the engine I can measure 23.4 V. The engine doesn't start !
>
>I cannot believe that the ignition system is so sensitive that with 23.4 V doesn't give enough sparks to start the engine. I'm thinking that the problem could be in a big voltage drop between the batteries and the ignition coil, or a bad coil or capacitor.
>
>I will measure the input voltage at the coil and check all the electrical connections from the battery to the ignition system.
>
>Any comments ?
>
>Thanks,
>
>Antonio Regazzoni,
>1944 MB
>1974 M151A2
>1975 Pinzgauer
>
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