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#341
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Dennis |
#342
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Temp plug and rad core
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#343
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Ignacio, The 3-prong sending unit on the passenger side is the original piece in the original location and is used for both gauge and non-gauge (idiot lights) applications. When you order gauges the driver side plug in the manifold is replaced by the temp sending unit and a jumper wire is added from the sender to the original passenger side electrical connector plug (directions show you where to plug it in).
As for radiator repair/recore shops, I would image they all recore heater cores as well, since they are just small radiators put together the same way as their big brothers...copper, brass, & solder. I was given the name of Ferndale Radiator Repair in Ferndale, MI for this work. I haven't used them yet, so I have no advice whether they are good or not, but my friend says they do good work. If your Esprit has factory A/C then it should have had a 4-core radiator originally. Dennis |
#344
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Perplexed!
We made good progress today by getting the dash with the factory gauges & tach reinstalled and all the connections made to the proper homes. Before we got too far we connected the battery to see if there was any smoke or fire or blown fuses...none thank goodness. Then (with the key in the off position) we turned on the headlights, then the emergency flashers and noticed the oil & water gauges were pulsating with the flasher rhythm...weird. They didn't do it when the key was in the 'run' position...hmmm. Checked the fuses again and none were blown...good. Checked all the other electronics to make sure they were getting power, which they were, except for the wipers...what the heck! So we decided to see if the car would crank and start...it did...yeah! The tach worked, the fuel & volt gauges worked, but the oil & water temp gauges weren't...crap! Oil would read at a little below '0' zero and stayed there when the engine was running and rest a little above when off. The water temp would read a little below '0' zero when running (even when fully warmed up) then rest slightly above the 1/4 (155 degree?) hash mark when off. We're wondering if the printed circuit may have bad grounds and pathway circuits as it is the original. We checked all the grounds that are associated with the dash harness and they were solid and tight. The pictures are of the gauges when key is 'off'. So we have some more work ahead for us now...once we can figure out what the heck is wrong.
Anyone have any insight on what the issue(s) may be? Printed circuit? Dennis |
#345
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Guages
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The Following User Says Thank You to Ramairnacho For This Useful Post: | ||
#346
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I also have electric diagram from factory I will take pics of it for you to read if you like
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#347
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I seem to remember reading somewhere here of how to check if a temp sender was working;
I cannot recal reading of a similar test for the oil pressure sender. I have read of grounding issues for temp senders when teflon tape ect was used on the sender; The pulsing makes me wonder if there's a possible grounding issue. You replaced, or adjusted the non gauges engine loom to work with the gauges dash loom right?
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#348
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I'd agree with the grounding issue.
Is the dash grounded? Engine to firewall grounded?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#349
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Dennis |
#350
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Dennis |
#351
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Dennis |
#352
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I had some weird ground issues on my gauges that turned out to be the Z shaped ground from the headlight switch to the speedo housing. I had the metal Z-bracket ground sandwiched next to the plastic speedo insert instead of directly contacting the metal speedo cluster. Might not be it but fairly easy to check
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'72 Formula 455HO TH400, Revere Silver, black deluxe '74 Trans Am SD 4 speed, Admiralty Blue, blue deluxe |
#353
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I do have a new printed circuit coming from our host in a few days. Dennis |
#354
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Here's a picture. Mounts on headlight switch right behind the dash bezel.
My ground issue was some extra silver paint on my parking lamp plugs. |
The Following User Says Thank You to GREGGDOG For This Useful Post: | ||
#355
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I have my dash (assembled) beside my office computer;
here is where is should be:
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
The Following User Says Thank You to unruhjonny For This Useful Post: | ||
#356
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Thanks Greggdog & Unruhjonny for the pic's! Those are great and I'm thinking it must be there, but we'll check when we pull the upper dash apart this next week to install the new printed circuit.
Dennis |
#357
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Yep, it's there...you can just make it out in this picture above the original cluster before the dash got pulled.
Dennis |
#358
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it's one of those pieces that can easily be missed upon reassembly.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#359
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Get good and hot around bolt, plug, stud. Then melt candle wax on threads.
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If you cant drive from gas pump to gas pump across the map, its not a street car. http://s207.photobucket.com/albums/b...hop/?start=100 |
#360
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Dennis |
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