More autocheck problems

[Phil Payne]

> I have an 86 5kcstq that is warning me about tail+brake lights. All
> are working but I get the taillight and brake light warnings when
> ever I hit the brakes or turn on the lights.

This warning CAN be triggered by two good bulbs if they're sufficiently out
of spec for the currents passing through them to be different.  Obviously
also if the wattage is different.

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803
  +49 173 6242039