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| 150 optimax issues??? In need of help! |
| Author |
Message |
    
Louis Nemes
New member
Username: l_nemes
Post Number: 1
Registered: 05-2008
| | Posted on Saturday, May 24, 2008 - 09:10 am: | 
|
I have a pair of 1999 Mercury Optimax 150's. Problem I am having is that when you turn the key on the fuel pump won't turn on. When I was to run jumper to the fuel pump it will turn on. All fuses are good. Any thoughts?
Louie |
Graham Lamb
Senior Member
Username: galamb
Post Number: 3229
Registered: 05-2007
| | Posted on Saturday, May 24, 2008 - 09:47 am: |
|
Sounds like you have either 1) a bad connection somewhere in the harness between motor and key switch 2) bad ground where you key is (console or shifter) 3) bad key switch or 4) even a bad connection back on the engine end.
Check your entire harness for rotted/pinched/cut/knicked/rubbed wires... |
geoff drake
New member
Username: slates
Post Number: 1
Registered: 05-2008
| | Posted on Tuesday, May 27, 2008 - 09:12 am: |
|
Hi,
I have a 1999 Mercury Optimax that i stupidly reversed the battery polarity on when replacing the battery after winter layup. This burnt out the loom from starter solenoid to alternator. I am waiting to have the loom replaced but in the meantime I have been warned that i may have damaged the ECU.
My question is can i replace the ECU with a second hand unit or does it need to be new and specialy programed for my engine.
I am concerned that the shop that is doing the job is just trying to boost the final bill
Geoff |
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