Speedminder questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hugger6933 · 01-02-2011, 10:10 PM

I have a 68 gmc that came with the speedminder dash. It has no gauges. I have since put in a tac/vac dash that I had bought for the70 chevy truck that is on the back burner for now. I also have another tac/vac dash that needs to be freshened up a little and after I got it I bought a new bezel and face plate for it. My question is how hard is going to beto put the speed minder speedo head in the tac/vac dash? I was told you could just change the tins but that can't happen with mine cause it was only a 3 gauge set up any help? thanks Jim

**too much stuff** · 01-02-2011, 10:18 PM

The head will swap right over. It is the insulated peg in the tin that gives the trouble. I am sure it can be done, but not sure how easy. If you don't care if it works, just swap it over and drill 2 holes i think is it...

Andy4639 · 01-02-2011, 10:19 PM

I don't think the speed o meter will change the dash at all except for the hole you drill for the front knob to adjust the needle. I did mine several years ago and I think thats all I had to do.
If I'm not mistaken the only time the back side is changed is to add a Tach to a non tach dash.

hugger6933 · 01-02-2011, 11:03 PM

From the looks it looks like I can drill a hole in the back side of the speedo tin and one in the bezel. It just can't be that simple can it? Jim

into69z · 01-02-2011, 11:21 PM

Yes it can! I have done what you are talking about. All you need is to drill a hole that is just big enough for a connector to go thru-I used a male round connector and then slip the speedminder connecter wire(white or could be red, the one that clips on the inside of the tin) together. I used a little RTV to keep it all in place so it would not chafe. On the face plate, just look and measure where the orginal one was on the donor face plates and drill it. I have two now, one with speed minder/tach/air pressure and 80lb oil gauge and the other is a speed minder/tach/ and maybe a clock-it's not done yet. Do you have the buzzer already? Good luck-wish I knew an easy way to transfer those plugs-Steve

hugger6933 · 01-03-2011, 12:22 AM

Yes, I have the buzzer and the wiring to it.Jim

Andy4639 · 01-03-2011, 12:37 AM

That's correct the back side has the connector that needs to be insulated which you could use a small rubber o-ring or some kind of gasket material. But it's not hard or use what is on the orignal one as it is now.

**jerry moss** · 01-03-2011, 12:38 AM

Quote:

Originally Posted by into69z

Yes it can! I have done what you are talking about. All you need is to drill a hole that is just big enough for a connector to go thru-I used a male round connector and then slip the speedminder connecter wire(white or could be red, the one that clips on the inside of the tin) together. I used a little RTV to keep it all in place so it would not chafe. On the face plate, just look and measure where the orginal one was on the donor face plates and drill it. I have two now, one with speed minder/tach/air pressure and 80lb oil gauge and the other is a speed minder/tach/ and maybe a clock-it's not done yet. Do you have the buzzer already? Good luck-wish I knew an easy way to transfer those plugs-Steve

doing the wiring this way will work fine. now here's some food for thought. i put a speedwarning head in my 72 cheyenne super and used the spot on the bezel under the headlight switch opening, drilled it big enough for the nut assembly to fit and used a windshield wiper knob instead of the stock little knob. i used tin snips to trim the metal dash so the cable would slide though.

01-02-2011, 10:10 PM	#1
hugger6933 Registered User Join Date: Oct 2008 Location: Marianna Arkansas Posts: 7,279	Speedminder questions I have a 68 gmc that came with the speedminder dash. It has no gauges. I have since put in a tac/vac dash that I had bought for the70 chevy truck that is on the back burner for now. I also have another tac/vac dash that needs to be freshened up a little and after I got it I bought a new bezel and face plate for it. My question is how hard is going to beto put the speed minder speedo head in the tac/vac dash? I was told you could just change the tins but that can't happen with mine cause it was only a 3 gauge set up any help? thanks Jim

01-02-2011, 10:18 PM	#2
too much stuff Roadtrip! Join Date: Feb 2003 Location: Grand Rapids MN Posts: 13,770	Re: Speedminder questions The head will swap right over. It is the insulated peg in the tin that gives the trouble. I am sure it can be done, but not sure how easy. If you don't care if it works, just swap it over and drill 2 holes i think is it... __________________ 67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto

01-02-2011, 10:19 PM	#3
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: Speedminder questions I don't think the speed o meter will change the dash at all except for the hole you drill for the front knob to adjust the needle. I did mine several years ago and I think thats all I had to do. If I'm not mistaken the only time the back side is changed is to add a Tach to a non tach dash. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.

01-02-2011, 11:03 PM	#4
hugger6933 Registered User Join Date: Oct 2008 Location: Marianna Arkansas Posts: 7,279	Re: Speedminder questions From the looks it looks like I can drill a hole in the back side of the speedo tin and one in the bezel. It just can't be that simple can it? Jim

01-02-2011, 11:21 PM	#5
into69z "brand new second-hand" Join Date: Feb 2007 Location: White House, Tennessee Posts: 526	Re: Speedminder questions Yes it can! I have done what you are talking about. All you need is to drill a hole that is just big enough for a connector to go thru-I used a male round connector and then slip the speedminder connecter wire(white or could be red, the one that clips on the inside of the tin) together. I used a little RTV to keep it all in place so it would not chafe. On the face plate, just look and measure where the orginal one was on the donor face plates and drill it. I have two now, one with speed minder/tach/air pressure and 80lb oil gauge and the other is a speed minder/tach/ and maybe a clock-it's not done yet. Do you have the buzzer already? Good luck-wish I knew an easy way to transfer those plugs-Steve __________________ Steve 69 3/4t custom camper tilt,am/fm,speed warning,air gauge,buddy buckets,aux battery, big block,p/s,p/b,a/c 67 Camaro 96 Impala ss-sold 04 hybrid Honda-saving gas for the blue truck!:b69:

01-03-2011, 12:22 AM	#6
hugger6933 Registered User Join Date: Oct 2008 Location: Marianna Arkansas Posts: 7,279	Re: Speedminder questions Yes, I have the buzzer and the wiring to it.Jim

01-03-2011, 12:37 AM	#7
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: Speedminder questions That's correct the back side has the connector that needs to be insulated which you could use a small rubber o-ring or some kind of gasket material. But it's not hard or use what is on the orignal one as it is now. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.



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