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99 Chevy blazer 4x4 4 door LT electrical problems

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99 Chevy blazer 4x4 4 door LT electrical problems

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Old 03-08-2019, 07:40 PM
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Default 99 Chevy blazer 4x4 4 door LT electrical problems

I have a 1999 Chevy blazer 4x4 4 door LT first thing happen the fuel pump quit no power to the pump so i replaced fuel pump relay it worked for 15 minutes so i took the relay apart and rigged it to work
manually and now at works but in the last several hours here are multiple electrical issues, gas Gage stopped working as well as temp gauge and battery light, seat belt light, and security light stays on.
The daytime running lights are not working now either. The main thing is the heater blower motor is working intermittently. All these functions are occurring intermittently.
 
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Old 03-10-2019, 10:05 PM
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Haven't had this problem although I'd be concerned that a new relay failed after 15 minutes. To me that indicates that there is/was something wrong with the circuit that controls the pump or the pump itself.

I'd hate to think that forcing the pump to work by by-passing the relay you have caused some other things to fail.
 
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