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Old 05-30-2022, 09:33 PM   #10
fdryer
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Join Date: Jan 2006
Location: NYC
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2003 L-Series 3.0L Sedan
Default Re: 2001 SL1 stalls slowing at a light, restarts again later

GM Passlock security led;

Blinking - once every 2-3 seconds.

Flashing - once every 1/2 second.

S-series never had factory remote start.

If you suspect battery terminal or cable terminal corrosion, peel back the heavy insulation after removing the short terminal bolt. Peeling back the cable insulator covering the ring terminal may reveal powdery deposits from dried battery acid. A solution of water and baking soda will dissolve and neutralize battery acid. Examine the battery side terminals for damage, leaking wet battery acid.
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