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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Mercury
Satisfied Customers: 6216
Experience:  ASE Master Certified. ASE Gasoline Engine Performance Certified,Ford Senior Master Technician
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Mercury mystique: Need help with silencer 5900 start disabler

Customer Question

Need help with silencer 5900 start disabler installed on my 98 mercury mystique
Submitted: 1 year ago.
Category: Mercury
Expert:  A. Penland replied 1 year ago.
Hello and thanks for using JustAnswer.I will try my best to help you with your question.
Are you looking to remove the silencer or repair it?
Customer: replied 1 year ago.
I've removed it, and put a loop in the plug where the silencer plugs into. But now it won't start. Sounds like starter is working but no fuel.I think it has a pats system,how do I bypass? Or what do you think
Expert:  A. Penland replied 1 year ago.
You should remove the silencer completely. It should be spliced into the wiring for the ignition switch. The PATS system cannot be bypassed.
Customer: replied 1 year ago.
So what is the cheapest way to get it fixed, or what else can it be
Customer: replied 1 year ago.
Can you send me the fuse box diagram for 99 mercury mystique
Expert:  A. Penland replied 1 year ago.
The cost is hard to determine without knowing what is causing the problem.
Is the check engine light coming on when the key is turned on and does it go out when the engine is cranking over?
Have you checked for any trouble codes in the PCM (Engine Computer)?
Customer: replied 1 year ago.
Check engine light is on now, but never had any problems with the car until wires came out of the silencer harness
Customer: replied 1 year ago.
That was two days ago
Expert:  A. Penland replied 1 year ago.
If the wires came out of the silencer harness, I would have the silencer completely removed the vehicle put back to stock and then see if the vehicle starts.
Customer: replied 1 year ago.
I've removed the silencer completely.I was wondering if a relay, or fuse may have failed. Or anything else.
Expert:  A. Penland replied 1 year ago.
Did you splice the factory wiring back together?
Customer: replied 1 year ago.
Yes with a butt connector
Expert:  A. Penland replied 1 year ago.
Does the RED THEFT light flash rapidly when you try to start the vehicle?
You should check for trouble codes in the PCM.
Customer: replied 1 year ago.
Don't see any theft light
Expert:  A. Penland replied 1 year ago.
There should be a red indicator near the radio that will flash once every 3 seconds when the key is out.
Customer: replied 1 year ago.
No flashING light
Expert:  A. Penland replied 1 year ago.
Check fuse #34 in the dash fuse box and fuse #9 in the engine bay fuse box.
Customer: replied 1 year ago.
Can you send me a diagram
Expert:  A. Penland replied 1 year ago.
See below.
Customer: replied 1 year ago.
Replaced 34 but n0 light,9 is not
Customer: replied 1 year ago.
Sorry 9 is good
Expert:  A. Penland replied 1 year ago.
Does the check engine light come on when the key is turned to on?
Customer: replied 1 year ago.
Yes, now I hear a buzz near or under batter
Expert:  A. Penland replied 1 year ago.
Check the relays in the engine bay fuse box.
Customer: replied 1 year ago.
Where and which
Expert:  A. Penland replied 1 year ago.
Remove the cover of the fuse box and listen for the buzzing noise. You can put your hand on the relays and feel them buzzing if it is the relays.
Customer: replied 1 year ago.
Ok one second
Expert:  A. Penland replied 1 year ago.
ok.
Expert:  A. Penland replied 1 year ago.
ok.