1991 Q45 not turning over! Help!

[Mikey_ZX]

Hello everyone,

I have an issue with my Q45, when I turn the key over the car won't start. Also, I can hear a clicking sound coming from the drivers side of the engine. The car was running fine, until this happened. I was having some starting issues for a while, but now the car is not starting. On the gauge cluster, my Air bag light flickers to the sound of the clicking from the engine and then the sound starts to lessen and the car seems as if it doesn't want to turn over anymore. Can anyone help me and give me a few suggestions as to what issue or issues are causing my car from not starting. Thank you!

[loystock]

From your description, looks like you have a weak battery and/or corrosion on the terminals. So check the connections and make sure they are clean tight. The battery voltage must be >12.5VDC. If not. it's weak and you have to jump start the car. It's also possible that the weak battery was due to insufficient charge from the alternator. So with the engine running, check the alternator charging voltage to the battery. It must be >13.8VDC (spec is 14.1-14.7 VDC). Also, the charging voltage must be steady (not fluctuating). Once you've made the measurements, you will know which one to replace, alternator or battery. A typical battery in a Q lasts for 3-6 years, depending on usage and environment. My last OEM battery lasted for more than 7 years.

[Mikey_ZX]

Thanks, it was my battery! I took it to Wal-Mart and they gave me a replacement.