Posted by Mark on February 23, 2009, 1:47 pm, in reply to "Re: tic-toc-dang"
170.74.0.40
Just got the brilliant idea to call the rebuilder that did the work on the dash components:
A single brown wire goes thru the dash grommet by the fuse block and connects directly to the negative side of the coil.
I'm surprised that it did not go thru the fuse block especially since there's a different harness for the tach option. I guess that's why they put an in-line fuse in the harness up by the cluster.
I'll have to guess how to make the area that was snipped look "factory", but it's hidden down there anyway!
--Previous Message--
: You should try classicoldsmobile.com there are
: a lot of knowledeable people there willing
: to answer questions, there seems to be a lot
: more activity there than this site.
:
: --Previous Message--
: I'm reinstalling my 67's dash and wiring
: harness.
: I had all the guages rebuilt, including the
: tic-toc-tach, so I don't want to screw up
: anything.
: The tach wire way up the harness where the
: in-line fuse is located was faulty, so I
: repaired it properly.
: The other end of the tach wire (by the fuse
: block) was just hanging loose. This I can
: understand since evidently it was shorted up
: in the area I repaired and someone had just
: snipped it to prevent a 442 inferno. After
: all, we want the tires lit up, not the
: wiring harness!
: Well, getting down to business--
: I can't figure out how to hook it back up.
: I've checked Mitchell's and Chilton's
: manuals to no avail.
: It doesn't look like the loose end went into
: the harness block, since I see no snipped
: wire on the block or an open pin.
: I would think it would just go to the
: negative side of the coil, BUT...I know some
: factory tach app's used a resistor between
: the coil and the tach.
: So, to sum up my confusion: 1)Here's this
: loose tach wire with no apparent connection
: to the fuse block or a resistor. 2)I see no
: tie-in to the under hood harness. 3) Did
: this just go thru a firewall grommet to the
: coil? 4) After spending the equivilant of my
: post-Obama 401(k) getting this tach rebuilt,
: I don't want to blow it up.
: Anybody............help!
: On second thought, not
: "anybody"... experts only!
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