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1999 chevy suburban k1500 4wd eletrical problems?

When i start my vehicle the tachometer doesn't work neither does my speedometer and while driving my transmission wont shift. The guy i bought it from says it is the ignition starter switch.

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As far as the speedometer not working and the transmission not shifting; I'd check the speed sensor connection on the tail of the transmission and follow the wiring to see if it is cut somewhere. If the PCM doesn't get a signal from the speed sensor, the transmission won't shift. Did the auto have wires get chewed by rats after sitting?

Posted on Aug 25, 2013

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  • Benjamin Brownlee
    Benjamin Brownlee Aug 25, 2013

    As far as the speedometer not working and the transmission not shifting; I'd check the speed sensor connection on the tail of the transmission and follow the wiring to see if it is cut somewhere. If the PCM doesn't get a signal from the speed sensor, the transmission won't shift. Did the auto have wires get chewed by rats after sitting?

  • Benjamin Brownlee
    Benjamin Brownlee Aug 25, 2013

    As far as the speedometer not working and the transmission not shifting; I'd check the speed sensor connection on the tail of the transmission and follow the wiring to see if it is cut somewhere. If the PCM doesn't get a signal from the speed sensor, the transmission won't shift. Did the auto have wires get chewed by rats after sitting?

  • Benjamin Brownlee
    Benjamin Brownlee Aug 25, 2013

    As far as the speedometer not working and the transmission not shifting; I'd check the speed sensor connection on the tail of the transmission and follow the wiring to see if it is cut somewhere. If the PCM doesn't get a signal from the speed sensor, the transmission won't shift. Did the auto have wires get chewed by rats after sitting?

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ercupa190
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SOURCE: My 1999 chevy suburbans tachometer and spedometer

see the diagram and test tha9802633-6006-4575-b051-6ec208eefb27.jpge IC regulator and fix it.
God bless you

Posted on Jul 27, 2013

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