[ale] OT: check light diagnostic tool

My pu is a 1999 and I've been very pleased with it. No real issues.  

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References:
- [ale] OT: check light diagnostic tool
  - From: neal at mnopltd.com (neal)
- [ale] OT: check light diagnostic tool
  - From: lists at serioustechnology.com (Geoffrey Myers)
- [ale] OT: check light diagnostic tool
  - From: atllinuxenthinfo at techstarship.com (Ron Frazier (ALE))
- [ale] OT: check light diagnostic tool
  - From: gccfof5 at gmail.com (Greg Clifton)
- [ale] OT: check light diagnostic tool
  - From: lists at serioustechnology.com (Geoffrey Myers)
- [ale] OT: check light diagnostic tool
  - From: skotchman at gmail.com (Scott Castaline)
- [ale] OT: check light diagnostic tool
  - From: mbt at naunetcorp.com (Michael Trausch)
- [ale] OT: check light diagnostic tool
  - From: skotchman at gmail.com (Scott Castaline)