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ElectronicsPete, Electronic Engineer
Category: Car Electronics
Satisfied Customers: 17021
Experience:  Over 16 years of experience installing and repairing electronics.
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I installed a pioneer unit in my 87 blazer. All new wiring n

Customer Question

Hello i installed a pioneer unit in my 87 blazer. All new wiring n speakers basicly from scatch. It was working fine. Now no sound from the speakers but the amp has muffled sound from subs. Could it possibly be a wire is touching somthing or what so u think.. thank uou mayo
Submitted: 8 months ago.
Category: Car Electronics
Expert:  ElectronicsPete replied 8 months ago.

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

Expert:  ElectronicsPete replied 8 months ago.

Can you measure the resistance and voltage on the speaker wires when the system is running, and let me know the results?

You can also use a multimeter to check for any shorts in the speaker wiring.

Let me know what you find.

Customer: replied 8 months ago.
O have a millimeter. Not sure which setti g is for checking reaistance.. last night i went out n it was playing.. but will stop eventually...
Expert:  ElectronicsPete replied 8 months ago.

Use the Ohm setting to check for resistance.

If it is playing intermittently then there may just be a loose wire or a bad earth somewhere.

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