Speedometer repair. 89-91 type 44

[mike mcclurg]

Brian,
Here is a previous post which relates my BTDT on
speedo repair.
Good luck!
Mike
--- mike mcclurg <rrrrraudi at yahoo.com> wrote:
> Date: Mon, 8 May 2000 08:32:35 -0700 (PDT)
> From: mike mcclurg <rrrrraudi at yahoo.com>
> Subject: '89cq Speedometer and Cruise Work!
> To: Michael Murphy <mmurphy at nais.com>,
> c1j1miller at aol.com,
>         quattro at audifans.com
> 
> With many thanks to Mike Murphy, Chris Miller and
> Scott Mockry.
> 
> All I knew for sure when I got my '89cq was that it
> did not have 174,980 miles on it, because that was
> the
> number on the odometer but the speedo and odo did
> not
> work. It was described as intermittant. Must have
> been
> extremely intermittant, because in two months it had
> never regitered a single mph or tenth of a mile.
> 
> Anyway, thanks to the three people above and their
> web
> sites, I was able to fix the speedo and at the same
> time get the cruise control working.
> 
> This is an electronic speedo and uses 4 long, square
> pins to make the connections from the speedo to the
> instrument cluster printed circuit. Apparently most
> of
> the previous problems have to do with the slip-fit
> connection between the square pins and the printed
> circuit. Mine were testing OK on the bench, so I
> started tracing the circuits away from these points.
> What I found almost immediately was an open circuit
> between one of the square pins and the small printed
> circuit board which is part of the speedo head
> itself.
> 
> The pins are soldered into this board and after
> getting my magnifying goggles on I could just barely
> see the cracked solder joint. I just touched this
> bad
> joint and the other 3 (for good measure), with the
> tip
> of a hot soldering iron to melt and remake each
> joint.
> 
> Thanks again for the help, I can retire the
> cheat-sheet I made to correlate rpm and mph.
> 
> Mike
> rrrrraudi at yahoo.com
> '89cq (mine)
> '85 4ksq (boys)
> 
> __________________________________________________
> Do You Yahoo!?
> Send instant messages & get email alerts with Yahoo!
> Messenger.
> http://im.yahoo.com/


__________________________________________________
Do You Yahoo!?
Send instant messages & get email alerts with Yahoo! Messenger.
http://im.yahoo.com/