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Website link.
#1
I figured I'd throw this up there.

http://www.rccinnovations.com/index.php?...ustang-all

Mike
__________________________________
Black 1985 GT
Yellow 1973 Mustang Mach 1
Black 2012 5.0 GT, 6-speed, Brembo brakes, 3.73's
Wimbledon White 1966 F-100 Shortbed Styleside, 390ci, Tremec 3550, FiTech EFI
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#2
Rocketman is one of the forum sponsors, and a very good guy who's quality oriented. You can't go wrong with him!

Let me check your shorts!
http://midlifeharness.com

[Image: Flamicon2.jpg]


[Image: oldfart.png]
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#3
Hi Rocketman. Are you the guy who works with tachs? If so, I have a problem. I have a 72 Mustang convertible with a 351C 4V and a mallory unilite distributor. No Hyfire box. The wiring harness is stock for tach and gauges. My factory tach under reads at all rpm's. It is about 500 rpm at idle and only goes up to about 2300 rpm max. I don't think the problem is with the tach. I seem to remember changing the tach in the past with no improvement. I have extra tachs. Is there a way I can hook one up under the hood directly to see if the problem is in the wiring? How would I do that? Any suggestions? Thanks! Kevin.

 CONVERTIBLES:
1F03M, Maroon Metallic, Black Dlx, Black Top, A/C, Tach, Posi, Magnums
1F03M, Grabber Lime, White, White Tp, A/C, CA Car
1F03M, Maroon Metallic, Wht Dlx, Wht Tp, PW
1F03M, Black, Wht Dlx, Wht Tp, Tach, Posi
1F03M, Pewter, Blk Dlx, Blk Tp, 4-Spd, A/C, R/A, Tach, Mgnms
1F03M, Bright Blue, Blue Dlx, Wht Tp, 4-Spd, Decor Grp
2F03R, Grabber Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03R, Bright Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03Q, Red, Wht Dlx, Wht Tp, Rim Blow, A/C, Tach, Conv. Grp, Dcr Grp, Side Stripes, Mgnms,PW
2F03Q, Red, Red Dlx, Blk Tp, Rim Blow, A/C, Tach
2F03Q, Bright Lime (Orig. Gold Glow), Blk Dlx, Blk Tp, A/C, P/W, Tilt, Conv. Grp, Dcr Grp
2F03Q, Grabber Blue, Wht Dlx, Wht Tp, 4-Spd, Tach, A/C, Dcr Grp, Stripes, Mgnms, PW
3F03Q, Gold Glow, Blk Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes,Tu-Tone Hood, Frgd Whls
3F03Q, Blue Glow, Blue Dlx, Wht Tp, 4-Spd, A/C, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls, PW
3F03Q, Gold Glow, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T hood, Frgd Whls 
3F03Q, Copper Metallic, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls
And 8 more verts, 2 Boss 351s and 1 M-code Mach I's! Tongue 
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#4
(07-19-2017, 08:18 PM)kevken1959 Wrote: Hi Rocketman. Are you the guy who works with tachs? If so, I have a problem. I have a 72 Mustang convertible with a 351C 4V and a mallory unilite distributor. No Hyfire box. The wiring harness is stock for tach and gauges. My factory tach under reads at all rpm's. It is about 500 rpm at idle and only goes up to about 2300 rpm max. I don't think the problem is with  the tach. I seem to remember changing the tach in the past with no improvement. I have extra tachs. Is there a way I can hook one up under the hood directly to see if the problem is in the wiring? How would I do that? Any suggestions? Thanks! Kevin.

Hi Rocketman. Not sure if you got my last message. I will certainly use your services for harness resto in the future. My tach problem is obviously different that the services you supply, but do you have any suggestions about the above proble? No way I could easily remove the harness and send it to you in this case. Thanks. Kevin.

 CONVERTIBLES:
1F03M, Maroon Metallic, Black Dlx, Black Top, A/C, Tach, Posi, Magnums
1F03M, Grabber Lime, White, White Tp, A/C, CA Car
1F03M, Maroon Metallic, Wht Dlx, Wht Tp, PW
1F03M, Black, Wht Dlx, Wht Tp, Tach, Posi
1F03M, Pewter, Blk Dlx, Blk Tp, 4-Spd, A/C, R/A, Tach, Mgnms
1F03M, Bright Blue, Blue Dlx, Wht Tp, 4-Spd, Decor Grp
2F03R, Grabber Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03R, Bright Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03Q, Red, Wht Dlx, Wht Tp, Rim Blow, A/C, Tach, Conv. Grp, Dcr Grp, Side Stripes, Mgnms,PW
2F03Q, Red, Red Dlx, Blk Tp, Rim Blow, A/C, Tach
2F03Q, Bright Lime (Orig. Gold Glow), Blk Dlx, Blk Tp, A/C, P/W, Tilt, Conv. Grp, Dcr Grp
2F03Q, Grabber Blue, Wht Dlx, Wht Tp, 4-Spd, Tach, A/C, Dcr Grp, Stripes, Mgnms, PW
3F03Q, Gold Glow, Blk Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes,Tu-Tone Hood, Frgd Whls
3F03Q, Blue Glow, Blue Dlx, Wht Tp, 4-Spd, A/C, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls, PW
3F03Q, Gold Glow, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T hood, Frgd Whls 
3F03Q, Copper Metallic, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls
And 8 more verts, 2 Boss 351s and 1 M-code Mach I's! Tongue 
  Reply
#5
(07-19-2017, 08:18 PM)kevken1959 Wrote: Hi Rocketman. Are you the guy who works with tachs? If so, I have a problem. I have a 72 Mustang convertible with a 351C 4V and a mallory unilite distributor. No Hyfire box. The wiring harness is stock for tach and gauges. My factory tach under reads at all rpm's. It is about 500 rpm at idle and only goes up to about 2300 rpm max. I don't think the problem is with  the tach. I seem to remember changing the tach in the past with no improvement. I have extra tachs. Is there a way I can hook one up under the hood directly to see if the problem is in the wiring? How would I do that? Any suggestions? Thanks! Kevin.

Take your spare tach and put in in series with the wire going to the coil.  Remove the wire going to the coil and attach it to the male side of the tach plug itself.  Take a line from the female side of the tach plug and attach it to the coil.  Start the car and read the tach.

Let me check your shorts!
http://midlifeharness.com

[Image: Flamicon2.jpg]


[Image: oldfart.png]
  Reply
#6
(07-24-2017, 08:56 PM)midlife Wrote:
(07-19-2017, 08:18 PM)kevken1959 Wrote: Hi Rocketman. Are you the guy who works with tachs? If so, I have a problem. I have a 72 Mustang convertible with a 351C 4V and a mallory unilite distributor. No Hyfire box. The wiring harness is stock for tach and gauges. My factory tach under reads at all rpm's. It is about 500 rpm at idle and only goes up to about 2300 rpm max. I don't think the problem is with  the tach. I seem to remember changing the tach in the past with no improvement. I have extra tachs. Is there a way I can hook one up under the hood directly to see if the problem is in the wiring? How would I do that? Any suggestions? Thanks! Kevin.

Take your spare tach and put in in series with the wire going to the coil.  Remove the wire going to the coil and attach it to the male side of the tach plug itself.  Take a line from the female side of the tach plug and attach it to the coil.  Start the car and read the tach.

Awesome! I can't wait to try it. I would be so happy if the problem were with the tach as I have a bunch of them. Thanks so much. I'll get back with you after I give it a try.

 CONVERTIBLES:
1F03M, Maroon Metallic, Black Dlx, Black Top, A/C, Tach, Posi, Magnums
1F03M, Grabber Lime, White, White Tp, A/C, CA Car
1F03M, Maroon Metallic, Wht Dlx, Wht Tp, PW
1F03M, Black, Wht Dlx, Wht Tp, Tach, Posi
1F03M, Pewter, Blk Dlx, Blk Tp, 4-Spd, A/C, R/A, Tach, Mgnms
1F03M, Bright Blue, Blue Dlx, Wht Tp, 4-Spd, Decor Grp
2F03R, Grabber Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03R, Bright Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03Q, Red, Wht Dlx, Wht Tp, Rim Blow, A/C, Tach, Conv. Grp, Dcr Grp, Side Stripes, Mgnms,PW
2F03Q, Red, Red Dlx, Blk Tp, Rim Blow, A/C, Tach
2F03Q, Bright Lime (Orig. Gold Glow), Blk Dlx, Blk Tp, A/C, P/W, Tilt, Conv. Grp, Dcr Grp
2F03Q, Grabber Blue, Wht Dlx, Wht Tp, 4-Spd, Tach, A/C, Dcr Grp, Stripes, Mgnms, PW
3F03Q, Gold Glow, Blk Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes,Tu-Tone Hood, Frgd Whls
3F03Q, Blue Glow, Blue Dlx, Wht Tp, 4-Spd, A/C, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls, PW
3F03Q, Gold Glow, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T hood, Frgd Whls 
3F03Q, Copper Metallic, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls
And 8 more verts, 2 Boss 351s and 1 M-code Mach I's! Tongue 
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#7
Well, I'll be darned, I never even knew this section was here!

Sorry I missed your question Kevken1959, Randy - thank you for answering for me.

Bob

Tachs, Voltmeters, Headlight kits, Wiper delays and more at
[Image: smlogo.jpg]
Rocketman's Classic Cougar (and Mustang) Innovations, LLC
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#8
(04-13-2018, 06:21 PM)TheRktmn Wrote: Well, I'll be darned, I never even knew this section was here!

Sorry I missed your question Kevken1959, Randy - thank you for ansering for me.

No problem Bob.Thanks! Kevin.

 CONVERTIBLES:
1F03M, Maroon Metallic, Black Dlx, Black Top, A/C, Tach, Posi, Magnums
1F03M, Grabber Lime, White, White Tp, A/C, CA Car
1F03M, Maroon Metallic, Wht Dlx, Wht Tp, PW
1F03M, Black, Wht Dlx, Wht Tp, Tach, Posi
1F03M, Pewter, Blk Dlx, Blk Tp, 4-Spd, A/C, R/A, Tach, Mgnms
1F03M, Bright Blue, Blue Dlx, Wht Tp, 4-Spd, Decor Grp
2F03R, Grabber Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03R, Bright Blue, Wht Dlx, Wht Tp, Dcr Grp, Tach, etc.
2F03Q, Red, Wht Dlx, Wht Tp, Rim Blow, A/C, Tach, Conv. Grp, Dcr Grp, Side Stripes, Mgnms,PW
2F03Q, Red, Red Dlx, Blk Tp, Rim Blow, A/C, Tach
2F03Q, Bright Lime (Orig. Gold Glow), Blk Dlx, Blk Tp, A/C, P/W, Tilt, Conv. Grp, Dcr Grp
2F03Q, Grabber Blue, Wht Dlx, Wht Tp, 4-Spd, Tach, A/C, Dcr Grp, Stripes, Mgnms, PW
3F03Q, Gold Glow, Blk Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes,Tu-Tone Hood, Frgd Whls
3F03Q, Blue Glow, Blue Dlx, Wht Tp, 4-Spd, A/C, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls, PW
3F03Q, Gold Glow, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T hood, Frgd Whls 
3F03Q, Copper Metallic, Ginger Dlx, Blk Tp, 4-Spd, Tach, Dcr Grp, Stripes, T-T Hood, Frgd Whls
And 8 more verts, 2 Boss 351s and 1 M-code Mach I's! Tongue 
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