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Unread 10-25-2008   #1 (permalink)
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Default 1988 Mustang How to Remove Gauge Cluster?

Ok, so I just bought a used gauge cluster with the 140mph speedometer in it and I'm having trouble removing the current one. I seem to have it completely unbolted from the car to the point that the current speedometer has disconnected itself. Opps. The light switches on both sides have also been removed. From what I can see the only thing holding it onto the car is the wiring harness behind the tachometer. Not enough slack to get my hands or any tools back there, I can just barely see it.
I would sure appreciate any tips you can give me!

Thanks!
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Tri-Ax shifter, CAI, 75mm Granatelli MAF, BBK 70mmTB, 24#, BBK fuel press regulator, RPM II, Cam Research custom, 170 TFS Twisted Wedge heads, 1.7 TFS rockers, Electric fan, A9L, Diablo Revolution chip, MSD 6AL, BBK long tubes, 2.5" X pipe Magnaflows no cats, Auburn 3:73 gears, lowering Ford C springs, bump steer kit, MM CC plates, MM braided hoses, BBK rear control arms, Eibach sway bars, sub frame. Cobra R hood. 10th anni wheels w/245s, 140mph Speedo.
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Unread 10-25-2008   #2 (permalink)
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Quote:
Originally Posted by vetprowanab View Post
Ok, so I just bought a used gauge cluster with the 140mph speedometer in it and I'm having trouble removing the current one. I seem to have it completely unbolted from the car to the point that the current speedometer has disconnected itself. Opps. The light switches on both sides have also been removed. From what I can see the only thing holding it onto the car is the wiring harness behind the tachometer. Not enough slack to get my hands or any tools back there, I can just barely see it.
I would sure appreciate any tips you can give me!

Thanks!
Reach and feel... thats all i can say. Its not easy but there isnt really a way around that.
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Unread 10-25-2008   #3 (permalink)
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usually you can pull the gauge cluster far enough forward to pinch the clips on the wiring harness to unplug the wires, the only holding it in after the bezel is removed is the speedo cable and 2 wiring harnesses and four screws, if its not coming forward enough the wiring could be hangin up, i would suggest take a look from up under and see if you can see anything, other then that try to squeeze your fingers onto the wiring plug and disconnet it, hope this helps
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Unread 10-25-2008   #4 (permalink)
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Ok, I'll see what I can do. Are the wiring harnesses clipped to the back of the cluster? That sounds like fun. I haven't been able to see it from underneath, but I'll look again, probably tomorrow morning. Thanks guys. I'll look for the wiring getting hung up. So close!
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1988 LX 5.0 5spd Moonroof
Tri-Ax shifter, CAI, 75mm Granatelli MAF, BBK 70mmTB, 24#, BBK fuel press regulator, RPM II, Cam Research custom, 170 TFS Twisted Wedge heads, 1.7 TFS rockers, Electric fan, A9L, Diablo Revolution chip, MSD 6AL, BBK long tubes, 2.5" X pipe Magnaflows no cats, Auburn 3:73 gears, lowering Ford C springs, bump steer kit, MM CC plates, MM braided hoses, BBK rear control arms, Eibach sway bars, sub frame. Cobra R hood. 10th anni wheels w/245s, 140mph Speedo.
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Unread 10-25-2008   #5 (permalink)
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when you pinch the clips, lower plug is vertical closest to pass. side, and the upper plug closest to driver is horizontal,all within the gauge cluster vicinity squeeze on the sides where you see the clips, and pull, they dont require much force, good luck let us know how it goes
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Unread 10-25-2008   #6 (permalink)
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Just have to get your hand in there. Maybe someone with smaller hands could do it for you?
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Unread 10-25-2008   #7 (permalink)
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Done!
Finally got the passenger side wiring harness unplugged which gave me just enough space to use that same hand to unplug the driver side wiring harness. After removing the cluster, sure enough, the 20 year old wires were in a loop that was getting hung up on the body directly behind the instrument cluster.

It's all reassembled at this point and buttoned up. Even took it for a test drive to ensure that all gauges, lights and the speedometer work.

Thanks everyone!
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1988 LX 5.0 5spd Moonroof
Tri-Ax shifter, CAI, 75mm Granatelli MAF, BBK 70mmTB, 24#, BBK fuel press regulator, RPM II, Cam Research custom, 170 TFS Twisted Wedge heads, 1.7 TFS rockers, Electric fan, A9L, Diablo Revolution chip, MSD 6AL, BBK long tubes, 2.5" X pipe Magnaflows no cats, Auburn 3:73 gears, lowering Ford C springs, bump steer kit, MM CC plates, MM braided hoses, BBK rear control arms, Eibach sway bars, sub frame. Cobra R hood. 10th anni wheels w/245s, 140mph Speedo.
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Unread 10-25-2008   #8 (permalink)
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glad to hear it worked out in the end.
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1990 Lincoln Mark VII LSC
FMS Ceramic Shorties, pacesetter off road h, force mufflers, 3 row radiator, smog eliminator pulley, underdrive pullies, Yukon 3.55 gears, posi diff...
Waiting in garage: rebuilt block, Crane 1.7 rr, bare GT40 cast heads, Summit billit distributor, 9mm plug wires, MSD blaster coil, GT40 upper and lower intake, E303 cam
70% of drivers say "oh Sh** when they hit ice, the other 30% are from Michigan and say "Hold my beer and watch this sh**!"
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Unread 10-25-2008   #9 (permalink)
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You do know that since you've swapped the speedo, now, when you sell the car, you are legally required to say the speedo doesn't show actual mileage. Federal law. I assume you didn't have the mileage on the 140 set to what was showing on your old one.
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Unread 10-26-2008   #10 (permalink)
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Not to worry there Moterhead, if and when the time comes for me to sell this car I will indeed do the right thing. I did not take the time to attempt to switch over the odometer reading. Interestingly enough, there is only a 10,000 mile increase from the old speedometer to the "new" one. I have logged all of the mileage so won't be a problem.
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1988 LX 5.0 5spd Moonroof
Tri-Ax shifter, CAI, 75mm Granatelli MAF, BBK 70mmTB, 24#, BBK fuel press regulator, RPM II, Cam Research custom, 170 TFS Twisted Wedge heads, 1.7 TFS rockers, Electric fan, A9L, Diablo Revolution chip, MSD 6AL, BBK long tubes, 2.5" X pipe Magnaflows no cats, Auburn 3:73 gears, lowering Ford C springs, bump steer kit, MM CC plates, MM braided hoses, BBK rear control arms, Eibach sway bars, sub frame. Cobra R hood. 10th anni wheels w/245s, 140mph Speedo.
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Unread 10-26-2008   #11 (permalink)
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good job man, we here to help anytime, congrats to you
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1993 LX 5.0 stock long block, 1.7 crane roller rockers, cobra valve springs, explorer intake upgrade, 65mm throttle body, 80mm maf ,Moroso CAI,Shorty BBK headers,BBK Adj fuel reg, BBK underdrive pulleys, electric fan, B303 cam, off-road Hpipe, 40series flowmasters, 3:73 gears, Alum drive shaft, King Cobra clutch, Pro 5.0 shifter, BBK gripp LCA,190lph fuelpump,Moates Burn2 Chip Programmer, with EEC-IV bank reader
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