Lights on dash and headlights on but no juice to starter
Vehicle anti-theft (VAT) system is not getting proper reading from the ignition switch. Your key has a resistor built into the head of the key (a silver bar on a black backing). Shine up this bar with some fine steel wool on both sides of the key. Possibly the wiring in the steering column that leads to the VAT module has gone bad or the connections in the ignition switch that mate up with the key's resistor no longer connect properly. End result: the starter and fuel injection system remain dead when all else seems normal............Security light on dash will stay on/flashing. There will be a 3 minute dead/reset period between each unsuccessful start attempt.
You can get yourself a resistor (Radio Shack or elsewhere) that matches your key's resistor and splice it into the harness (found in the steering column) that leads to the VAT module. It will be 2 wires cased in a "hunters orange" jacket. This would be a last resort fix. The alternative is to have a dealer replace faulty parts, but this can be expensive and a resistor is cheap. (under $5)
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I have impala 2001 it has 36k mile and security light sometimes light on haw can i make it off
I had this same problem . with my monte carlo . I was told from a mechanic buddy of mine to replace the battery wires as well as the brass mount that the wire goes to by the fuse box . it worked . he told me that with the littlest corrosion that the key would not get enough amps to engage the starter
Make sure your battery is fully charged, and your cables are tight. also might be a loose connection at the starter.
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