Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

Fried Multiplexor? Please help...

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Old Mar 6, 2015 | 06:52 PM
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Icon3 Fried Multiplexor? Please help...

I have a 2002 Honda Accord EXL 4cyl.

Made a really stupid mistake tonight. Idiot me decided to change the light on my clock and caused a short. Here is a rundown of my issue:

LOST
All display lights on instrument panel with exception of battery light and key chip (illumination on instrument panel still works though)
RPM
Speedometer
Engine Temperature gauge
Mileage and trip meter display (completely blank)
Fuel gauge (not sure it is remaining where it was)
Interlock (have to use key-bypass to get it out of park)
When driving car is not responding to changes in gears on shifter but transmission will shift normally
Power Windows (both sides)
Power mirrors
Reverse lights

STILL WORKS
Power locks to include remote control
Stereo
Clock
Heat and air conditioner controls (to include blower)
Brake lights
Headlights
Flashers
Dash lights on center console panel
Lights in gear shifter
Dome light
Glove box light
Door courtesy lights

Thanks for any help troubleshooting.
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Old Mar 6, 2015 | 06:57 PM
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Default Re: Fried Multiplexor? Please help...

Probably just blew Passenger side Fuse No. 13 (7.5A).
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Old Mar 6, 2015 | 07:08 PM
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Default Re: Fried Multiplexor? Please help...

I will check, but like I said, the clock still works.
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Old Mar 6, 2015 | 07:16 PM
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Default Re: Fried Multiplexor? Please help...

If the clock still works, then Driver's side Fuse No. 9 (7.5A) is probably blown instead.
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Old Mar 6, 2015 | 07:31 PM
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Default Re: Fried Multiplexor? Please help...

Thanks. I'll check that as well. That would cause everything else to go out? The instrument panel illumination is working.
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Old Mar 6, 2015 | 07:40 PM
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Default Re: Fried Multiplexor? Please help...

Driver's side Fuse No. 9 protects the following component/circuits: Back-up lights, Brake light failure sensor, Clock, Driver’s and passenger’s multiplex control units, DRL indicator (Canada), Gauge assembly, Security system (USA except EX), Shift lock solenoid (A/T). Fuse

No. 9 provides power for the clock's LCD backlight, which is different than the dimmable illumination.

The dash and console illumination does not receive power via Fuse No. 9. Instead, power for dash and console illumination is from passenger Fuse No. 10 when you turn on the combination light switch.
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Old Mar 6, 2015 | 07:43 PM
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Default Re: Fried Multiplexor? Please help...

Awesome. Thank you... I'll let you know how it turns out.
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Old Mar 6, 2015 | 08:02 PM
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Default Re: Fried Multiplexor? Please help...

You my friend are my new hero. Worked like a champ. Beverage of your choice!
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