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eurotec, Mercedes Technician
Category: Mercedes
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Experience: Bosch Certified Master Tech. Over 35 years experience.
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Mercedes-Benz 420SEL instrument cluster not working (gas guage,speedometer,tach,

Customer Question

instrument cluster not working (gas guage,speedometer,tach, odometer) 1988 420 sel

Submitted: 3 years ago.
Category: Mercedes
Expert:  eurotec replied 3 years ago.


eurotec :

Hi, that's going to be a bad fuse causing the problem.

eurotec :

Standby and I'll give you the fuse number.

eurotec :

It will be fuse #6 in the fuse box.

Customer :

any idea which one? I have checked and not found anything that appears blown

eurotec :

Replace the fuse and you'll be fine. Actually you can probably just roll it back and forth.

Customer :

i will try. if that is not it can I still get help?

eurotec :

The fuses are notorious for poor connections at their tips.

Customer :

i will try right now

eurotec :

Remove the fuse and look at it because the filament may be split and you can't see it.

eurotec :

I'll be here.

Customer :

t

Customer :

that was it

Customer :

thanks

eurotec :

You're welcome

eurotec :

Please remember to click Accept so I receive credit for my help.

eurotec :

Thank you.

eurotec, Mercedes Technician
Category: Mercedes
Positive Feedback: 99.4 %
Satisfied Customers: 45945
Experience: Bosch Certified Master Tech. Over 35 years experience.
eurotec and 8 other Mercedes Specialists are ready to help you
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Customer: replied 3 years ago.

i have an additional question about another vehicle

Picture
Expert:  eurotec replied 3 years ago.

How can I help you?

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Customer: replied 3 years ago.

i have a 2001 jeep grand cherokee with dual climate control. the passenger side control olny blows cold regardless of the temp setting

 

Picture
Expert:  eurotec replied 3 years ago.

On the Jeep this sounds like a bad blend door actuator or a broken blend door. When you adjust the temperature the motor adjusts the blend door for the desired heat setting. I would have the climate control system scanned for fault codes first. Next step will be to disassemble and inspect the actuator motors and doors.

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