sjohnson44
Petty Officer 2nd Class
- Joined
- Aug 30, 2011
- Messages
- 186
Just got a newly rebuilt merc 5.7L with Thunderbolt V installed and trying to get it cranked.
Going by the troubleshooting flow chart, it asks if I have 12V at Coil +, when I checked it I have voltage but its 9V at coil +.
Also have 9V at the white-red wire from ignition module.
I am unable to check the white-green wire as I do not have a spark gap tester.
Battery has full charge on it.
I am getting spark to the plugs.
The flow chart suggests either the ignition sensor in distributor cap, or the ignition module. But without having a full 12V at either one I can't say if either is bad.
Anyone have any suggestions?
Going by the troubleshooting flow chart, it asks if I have 12V at Coil +, when I checked it I have voltage but its 9V at coil +.
Also have 9V at the white-red wire from ignition module.
I am unable to check the white-green wire as I do not have a spark gap tester.
Battery has full charge on it.
I am getting spark to the plugs.
The flow chart suggests either the ignition sensor in distributor cap, or the ignition module. But without having a full 12V at either one I can't say if either is bad.
Anyone have any suggestions?