Today, I was ready for the lake test of my rebuilt 1977 mercury 1150.
It was running good a week ago on flush. This week, I cleaned the boat and rewiring the dashboard, routing the cables and wires, and installed the electronics.
Before I leaving for lake, I tried to test the motor. It won't crank.
1. I checked the battery, 12.4 volt.
2. the voltage in the switchboard red and white is 3-9 v.
3. check the voltage on battery terminal, 12 volt.
4. Then I rotate the cable terminal at battery. The voltage in the switchboard become 12.3 volt.
5. Then I tried to crank, no work. I tested the voltage in the switchboard, it becomes again 3-9 volt. I mean 3-9, it differs each time of the test cycle, but mostly around 5-6 volt.
6. But the terminal at battery is always, 12.4 volt.
Something is wrong, what could it be?
I tested all the control cable continuity and all good. I do check the wiring and try to simplify it by removing no important stuff, like tachometer, neutral switch.
It is still the same problem.
When I tried the Fish finder, it works.
Please help.
It was running good a week ago on flush. This week, I cleaned the boat and rewiring the dashboard, routing the cables and wires, and installed the electronics.
Before I leaving for lake, I tried to test the motor. It won't crank.
1. I checked the battery, 12.4 volt.
2. the voltage in the switchboard red and white is 3-9 v.
3. check the voltage on battery terminal, 12 volt.
4. Then I rotate the cable terminal at battery. The voltage in the switchboard become 12.3 volt.
5. Then I tried to crank, no work. I tested the voltage in the switchboard, it becomes again 3-9 volt. I mean 3-9, it differs each time of the test cycle, but mostly around 5-6 volt.
6. But the terminal at battery is always, 12.4 volt.
Something is wrong, what could it be?
I tested all the control cable continuity and all good. I do check the wiring and try to simplify it by removing no important stuff, like tachometer, neutral switch.
It is still the same problem.
When I tried the Fish finder, it works.
Please help.