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-   -   1987 w124 Need ignition switch wiring diagram (http://www.peachparts.com/shopforum/tech-help/333421-1987-w124-need-ignition-switch-wiring-diagram.html)

aspireelectronics 01-16-2013 05:32 PM

1987 w124 Need ignition switch wiring diagram
 
Hey guys.
I wondering if anyone has a copy for this
Vehicle. It starts effortlessly then stalls
When key is released
it appears
To be a problem in the run circuit.

mbdoc 01-17-2013 08:19 AM

Does the coil have power (12V) with the key on?
If it does have power, the ignition switch isn't the problem.

aspireelectronics 01-17-2013 11:18 AM

Hey doc,
It has battery voltage on terms 1 an 15 so a ignition
Problem is ruled out. Another forum member supplied
Me with the ignition,fuel,electronic eng. Control diagrams.
Again vehicle starts continues to run while spraying either.
And u hear the pump shut down one second after engine stalls
Adjusting the co% makes no difference.it just bogs down when
Key is released. Suggestions appreciated

mbdoc 01-17-2013 05:00 PM

Have you tried by passing the fuel pump relay so that the pumps run w/o getting signal
from the relay?

aspireelectronics 01-18-2013 10:28 PM

Yes When bridgeing #7 & 8 engine I studied the fp relay diagram and cant see
Any other imputs to relay other than rpm signal that should keep
The engine from starting while bypassed,

What are some reasons engine wont start even though
Fp relay is bridged and pump is running?

cbc atl 01-20-2013 10:27 PM

Ignition 113

Start 111

Lots of stuff here


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