I'm tracing my '68's wiring harness under the hood to get ready for engine
installation. I am confused by the Sentry Signal system mentioned in my shop
manual. (It doesn't take much to confuse me.)
So do these cars use two water and two oil sending units? One set for the
gauges and another set for the Sentry Signal? If not, how does the Sentry
Signal tie in with the rest of the system?
Also, if these sending units aren't still available from NAPA, who supplies
them? I also need a new starter relay and will be checking with NAPA for
that.
It looks like the small bracket that holds the tranny cooling lines near the
bellhousing is missing. I 'm guessing this a salvage yard only part. Is one
type unique to Imperials, or do all late '60s B/RB-727 passenger cars use
the same piece?
One transmission cooling line ends abruptly at the bottom of the firewall
(where the transmission tunnel begins) with a female connector facing
straight back. I am guessing there was an extension attached here. The other
line continues further back and turns toward the transmission's location. I
don't have the tranny back from the shop, so I don't know how the shorter
line enters the transmission. Looking at the drawing in the shop manual,
neither line shows a coupling that far back, but as we all know, these
drawings aren't always accurate. Perhaps the line was once one piece and was
spliced sometime during the car's life.
This reminds me of a question I've been forgetting to post for
months.....this car has an auxillary transmission cooler. Do all '68
Imperials have this extra cooler, or just ones with A/C and/or the trailer
towing package? This cooler looks just like the ones I've seen on Mopar
police cars, taxis and trailer towing package cars. In fact, it is virtually
identical to one I saved off a '78 Fury police car I parted out almost
twenty years ago.
As always, thanks for any help you can provide.
K.
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