GrayZee Posted June 10, 2001 Share Posted June 10, 2001 My oil,temp and fuel guages on my 76z don't work at all. I've grounded out the senders on the temp and oil with no effect so I thought what do these guages have in common? Well probably the power from the ignition circuit right? Well I checked that out too and I seem to be getting power there. So why do all three guages not work? (actually the clock and the low fuel light don't work either) Anyway I am pretty good with electrical but what I really need is a wiring diagram of the guage circuits of a 76, anybody got one they could send me? Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 10, 2001 Share Posted June 10, 2001 I have the wiring diagram for a 1978 Z. It should be the same. I could scan it and post it on my web space as i bitmap and you could download it from there. Carter Quote Link to comment Share on other sites More sharing options...
GrayZee Posted June 10, 2001 Author Share Posted June 10, 2001 Hey that would be great! Where's your webpage? or you could just send it to eyeamdeath@hotmail.com Later.. Quote Link to comment Share on other sites More sharing options...
auxilary Posted June 10, 2001 Share Posted June 10, 2001 Quote Link to comment Share on other sites More sharing options...
GrayZee Posted June 11, 2001 Author Share Posted June 11, 2001 Hey dude, that's great! Looks like the guage uses a additional ground rather than just using the sender unit as a ground. That just might be the ticket. I'll let you know if it works. However you sent me a diagram of the oil and temp but no info on the fuel guage, think you could send me that too? Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 auxilary, how did you get the bitmap to come up in your post? I put 3 files on my web space. One was the oil and temp guage, one was volt and gas guage and the last one was the location of the relay that sends power to both guages. Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 I don't have a web page I just have 2 meg of web space.I put the imformation you need in 3 bitmap files. You will have to download them and view them with paint or another program that can open bitmaps. They are located at [/url] Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 The last one didn't post on my last message. it is Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 I'm going to try to post the picture.I hope it works with bitmaps. Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 11, 2001 Share Posted June 11, 2001 Guess not!!! Quote Link to comment Share on other sites More sharing options...
auxilary Posted June 11, 2001 Share Posted June 11, 2001 just do (img)http://www.asheboro.com/users/picasso/relay.bmp(/img) (img)http://www.asheboro.com/users/picasso/volt.bmp(/img]) and replace () with [] Quote Link to comment Share on other sites More sharing options...
Guest 72240Z Posted June 12, 2001 Share Posted June 12, 2001 Thanks for the info auxilary. Quote Link to comment Share on other sites More sharing options...
GrayZee Posted June 15, 2001 Author Share Posted June 15, 2001 Thanks for the diagrams guys, that is what is great about this site. (if you don't have the info you need, you can usually get it the next day!) Anyway I found the problem, seems ALL THREE GAUGES ARE TOAST!! Don't ask me how all three of them could be bad, seemed kinda weird to me.. However I did have a fuel/amp gauge, I took it apart to see if I could make the fuel gauge work in my fuel/volt gauge from the 280. Seem that one on the 240 the fuel faceplate folds under the amp faceplate and on the 280 it is bassackwards! No problem though.. I just used the 280 faceplate on the 240. Also the "circuit board" (for lack of a better term) interfered with the illumintation bulb, but I was able to grind a corner of it off. Now I have a 240 fuel gauge in a 280, and nobody will be able to tell.. Now at least I can tell if I'm gonna run outta gas or not.. Just need to find my self a temp/oil gauge. Quote Link to comment Share on other sites More sharing options...
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