Re: '86 4000csQ - vacuum advance - upshift light

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <3635F5A7.56106163@erols.com> "Mark W. Byrum, Jr." writes:

> My upshift light has not worked since I purchased the above car almost
> 2 years ago.  PO said it annoyed her so she had her mechanic disconnect
> it.  Where would I look to find where it ought to be connected?  And
> what does the wire/connector look like (# of wires, size of plastic
> connector, color, etc.)?  Would I be correct if upon re-connecting the
> contraption and getting no upshift light that the vacuum advance has
> gone south?  Any and all comments appreciated.

Check the firewall for a cylindrical switch with a vacuum hose going to
it and no connector on the switch.

One of the first things I do under a 'new' bonnet is check the vacuum
lines with a MityVac.  If you don't own one, just pull the small vacuum
lines off the inlet manifold and suck 'em.  Lots of resistance is OK.
A mouthful of fumes that takes three beers to clear is _NOT_ OK.

(Unless you're _really_ desperate for beer excuses.  Then it's OK.)

--
 Phil Payne
 Phone: 0385 302803   Fax: 01536 723021
 (The contents of this post will _NOT_ appear in the UK Newsletter.)