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#1
06-03-2002, 01:04 PM
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Is it really necessary to put two sending units for water temp in a 72 Lemans with rally gauges? I got a hand writen wiring diagram that states that I need two sending units for water temp. Is this right?
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#2
06-03-2002, 01:04 PM
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Is it really necessary to put two sending units for water temp in a 72 Lemans with rally gauges? I got a hand writen wiring diagram that states that I need two sending units for water temp. Is this right?
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#3
06-03-2002, 01:24 PM
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One of the senders is for the gauge, the other is for the TCS system. I'll need to check out my old info but I believe it was there to advance the ignition timing when the coolant reached a certain temperature (near overheat) to help cool the engine down.
Hope this helps, Lloyd
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Regards, "455HO" Lloyd 2008 GMC Sierra Denali 2WD Crew, L92 6L80E, Silver w/ Ebony guts, 14.26 @ 98 
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#4
06-03-2002, 03:11 PM
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It isn't a stock Lemans It now has a non-vacuum advance dist. I now have a MSD Ignition. By not putting this sender in would it effect the gauges function? I just wanted to put the rally gauges in my car. Pretty much everything on the engine in aftermarket (intake, carb, ignition system exhaust etc). The only vaccum line I have is for the trans modulator!
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#5
06-03-2002, 03:33 PM
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You don't need the additional sending unit - just install the one sender for the gauge.
Later, Lloyd
__________________
Regards, "455HO" Lloyd 2008 GMC Sierra Denali 2WD Crew, L92 6L80E, Silver w/ Ebony guts, 14.26 @ 98
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#6
06-04-2002, 07:05 AM
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Cool! Thanks alot
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