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69 Rally dash- 2 gauges work 2 gauges dont ??? #446932
08/23/09 10:52 AM 08/23/09 10:52 AM
Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
High Impact Offline OP
pro stock
High Impact  Offline OP
pro stock

Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
In my 69 Superbee the fuel gauge and amp gauge work but the temp and oil dont???????? I've replaced senders with new and old working originals but the gauges still dont work.

ALTHOUGH!! if you ground the wire to the sender then they peg out on the high side which tells me the gauge works.

WHAT GIVES?
Re: 69 Rally dash- 2 gauges work 2 gauges dont ??? [Re: High Impact] #446933
08/23/09 10:59 AM 08/23/09 10:59 AM
Joined: Jan 2003
Posts: 33,110
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 33,110
Grand Prairie,Texas
You aren't using any kind of sealant on the senders are you?
Re: 69 Rally dash- 2 gauges work 2 gauges dont ??? [Re: High Impact] #446934
08/23/09 11:00 AM 08/23/09 11:00 AM
Joined: Jan 2004
Posts: 3,001
Coram, NY
Pool Fixer Offline
master
Pool Fixer  Offline
master

Joined: Jan 2004
Posts: 3,001
Coram, NY
Quote:

In my 69 Superbee the fuel gauge and amp gauge work but the temp and oil dont???????? I've replaced senders with new and old working originals but the gauges still dont work.

ALTHOUGH!! if you ground the wire to the sender then they peg out on the high side which tells me the gauge works.

WHAT GIVES?



If the dash has never been out, take it out. each gauge has two threaded studs on it. They have to make contact with the wire (gold ribbon like wire imprinted into greed board) to work properly.

My gauges used to be a bit eratic until I yanked the cluster and put decals on it. Just the act of removing them, handling them, cleaning up the studs and the board made a huge difference. They all work fine now. Before, the fuel gauge was iffy and so was the temp. If you have them out, you can also claibrate them.

5435103-adjustment.JPG (49 downloads)
Re: 69 Rally dash- 2 gauges work 2 gauges dont ??? [Re: Pool Fixer] #446935
08/23/09 11:02 AM 08/23/09 11:02 AM
Joined: Jan 2004
Posts: 3,001
Coram, NY
Pool Fixer Offline
master
Pool Fixer  Offline
master

Joined: Jan 2004
Posts: 3,001
Coram, NY
that last one was a bod pic, but you can make out the studs if you squint really hard.
here is a chart of the proper resistance values to calibrate. If you have them out already, it's silly not to calibrate them. for about 5 bucks in resistors at radio shack and 10 minutes per gauge, it's a no brainer.
Re: 69 Rally dash- 2 gauges work 2 gauges dont ??? [Re: Pool Fixer] #446936
08/23/09 11:09 AM 08/23/09 11:09 AM
Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
High Impact Offline OP
pro stock
High Impact  Offline OP
pro stock

Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
Wow! Thanks for the quick info! I'll try that and that chart is awesome!!


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