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Temp and Fuel Gauge don't work |
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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5370 |
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Your 74 TSM will be close enough for the Fuel/Temp circuits.....the instrument clusters are basically the same....speedo head is different, but that does affect the rest. Look for an open on the PC strip...I have tons of cluster parts for these. If both are not working they do carry a common ground to the case...try tighten the nuts and screw on all the cluster.
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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RebelYell
Supporter of TheAMCForum Joined: May/04/2011 Location: North Carolina Status: Offline Points: 824 |
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Thank you Ross, I already had put the dash back together before I got your post. Everything appeared to be in very good condition on the cluster panel but I did not check any nuts and screws. I'll continue to check in to it more when I have more time.
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amcenthusiast
AMC Addicted Joined: Jul/02/2012 Location: SW Atlanta GA Status: Offline Points: 1778 |
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Hey all, found this website; http://www.earlycuda.org/tech/gauge-convert.htm
-has the bimetal 'regulator' in the fuel gauge instead of the temp (just put the parts on which ever one with the voltage controller -the one that has the three posts) Went to Radio Shack and they had the parts; p# 276-1770 #7805 +5VDC voltage regulator 1amp & p# 272-1025 10uf electrolytic capacitor. Found other websites doing similar things, such as getting an antique cars 6v gauges to work to complete a 12v conversion... I made my ground/regulator attachment at the ground screw of the printed circuit panel, sitting on top of a fabricated heat sink made from thin scrap sheet aluminum; kinda' looks like a 2" x 3" fluted elephant ear. 'the ear' hangs off the back of the instrument cluster almost perpendicular, just above the fuel gauge so I put short sections of cut vacuum line on the two fuel gauge posts so it won't short out in case it gets bent down... (sorry no pic) Before, after I cleaned the contact points inside the temp gauge, the temp gauge would peg H and the fuel gauge would soar higher than the known gas level so I'd leave the temp sending unit wire off in the engine compartment. Now after putting on the DIY kit, my gauges work to indicate approximate values. I'm still trying to tune them to get the needles more accurate. Because it's a Gremlin in non-AMC environments, I know I must try harder to make my car the best I can- keep trying -all the little stuff adds up I think the person with the Matador (really like those two cars pictured) should check their temp sending unit- check it for continuity to see if it makes a ground... momentarily touch the temp wire (purple?) in the engine compartment to ground and turn the key on, if the gauges come on and the temp gauge pegs H, replace the sending unit. test the fuel gauge send unit wire the same way (green?) but must crawl under car, top front of gas tank... since you've already replaced it's CVR you should be trouble free for another ten/fifteen years? I'm curious to know what other 'solid state' things the Rambler American car might be getting I read an Internet article on how to wire in a USB? or MP3 cable to the stock radio but I don't understand it... yet! |
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slownugly
AMC Nut Joined: Nov/23/2009 Location: PA Status: Offline Points: 293 |
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eBay regulator in 68 american |
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28 model a 73 gremlin drag car
74 gremlin project 00focus v8 5speed hot rod rollback 68 american mpg project |
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amcabbott
AMC Fan Joined: Aug/16/2013 Location: pennsylvania Status: Offline Points: 16 |
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found same issue on my bricklin sv-1
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hoosieramc
AMC Addicted Joined: Jul/03/2007 Location: Indiana Status: Offline Points: 1233 |
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I would like to know more about the E-bay regulator in an American. None of my gas gauges have a functioning regulator.
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TexasJavelin
AMC Fan Joined: Jul/08/2013 Location: Texas Status: Offline Points: 16 |
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Thanks for this info. This has happened to me 3 times and one walking trip to the gas station
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19610 |
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http://worldpowersystems.com/AMC/dashreg/index.html
That's all that "E-bay regulator" is, packaged in an aluminum heat sink enclosure, from the looks of it. TomJ and I have both been running the bare regulator for YEARS -- mine was installed in 1999 -- with no issues. If you need fancy packaging the E-bay regulator is the way to go, but you can still go into Radio Shack and by a three leg 5V regulator. One number is 7805, IIRC... |
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Frank Swygert
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hoosieramc
AMC Addicted Joined: Jul/03/2007 Location: Indiana Status: Offline Points: 1233 |
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Do you have to eliminate the factory 12 volt feed to the gauges on the 67-69 American for this to work?
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19610 |
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No, the 12V feed goes to the regulator, the regulator output then feed the gauges.
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Frank Swygert
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