?? Painless Elct.????? OUCH !

It looks like the best route ( considering the car’s last few owners ) , is to replace the whole wiring harness ( bumper-bumper ) in my 68’.
I’ve read good things about “painless wiring harness’s” , but all of them came from car mag . ( ie: just how objective can they be , when you see a give part in an article ALSO being one of there advertisers ).

Any one Had GOOD / Bad Luck with a given after market wiring harness maker ?
Any time frame I should be looking at … hours, days ??? In over 50 yrs. of car repairs ( all Ford models ) . I never had to replace the whole thing . What am I in for ???

Considering there is no Cougar specific wiring harness, I think you’re in for a ton of work. Just my 2 cents.

I think there is a member of this community that rebuilds these harnesses. I’ll bet he chimes in here soon. I think his member name is Wish. Maybe it is possible that you can just pull the existing harnesses and have them rebuilt.

Correction, I looked around a little bit and seems the member that works on the harnesses is Midlife.

Midlife will check your shorts.

We used a universal painless wiring harness on a friend’s gm car and it was pretty straight forward. Cougars have a few things that are a little less universal and you would need to be prepared to customize for that.

I used Midlife and I am very pleased. Prices were good, turnaround time was excellent and he knows these cars.

Midlife Harness Restorations



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Welcome to Midlife Harness Restorations!

What We Do: We offer refurbishment services for vintage Mustang underdash and related harnesses at attractive prices with a two year, no questions asked, guarantee for the non-concours hobbyist. We can also convert 1967-1973 non-tach harnesses to a tach configuration.

How We Do It: Every harness is examined for broken insulation, wires, connectors, and pins, and repaired using only OEM components and professional tooling. Every harness is cleaned and re-taped where appropriate. Every wire is checked for continuity and any wire run showing higher than expected resistance is repaired. Repairs are typically made using uninsulated butt-splices and covered with heat-shrink, in accordance with best practices in the electrical repair industry.

What Comes With Service: Every harness comes with a new set of fuses, a complete printout of each wire’s connector type, wire color, wire number, function, and where that wire goes within the harness, an instruction sheet for short-free installation, and a two year, no questions asked, guaranty. Shipping within the US is included in the pricing.

How Much Does It Cost: Refurbishment of an underdash harness is $175, and a core charge of $50. Conversion from non-tach to tach configuration is $50. We prefer to refurbish your harness instead of replacing it with an existing one; this insures your harness will have the necessary connections for your set of equipment options.

Why Do We Do This: The cost of quality reproduction underdash harnesses is risen to unprecedented levels. While the quality of reproduction is excellent, the average hobbyist has little alternative but to repair an existing harness or go to others who offer concours level harness restoration services. Our harnesses are guaranteed to meet or exceed the original performance specifications, but may have visual flaws when compared to concours-level restoration efforts. These flaws typically include splices with shrink-tubing that may be visible. However, all wiring, when installed correctly, cannot be seen by a Judge without extraordinary effort.

Other Related Services:
•Tailight Harnesses: These harnesses will be refurbished but the weaved sleeving is not replaced or repaired. The reason is that the sleeving originally was made of cotton (i.e. flammable) and is no longer made. Cost is $50. Guarantee is included.
•64.5-66 Emergency Switches: Replacement of the E-Switch itself and refurbishment of the sub-harness (pre-late-1966) for $50. Replacement of the E-Switch for late 1966 systems is $25. Guarantee is included.
•67-68 Dash Cluster Subharnesses: Refurbishment of the two subharnesses is $50 with a core charge of $25. Guarantee is included.
•Headlight Engine, Gauge, and Alternator Harnesses: I do not recommend refurbishment of these harnesses, as the reproduction versions are usually of excellent quality. Further, these harnesses have been exposed to the heat and elements for several decades, degrading the quality of the wiring and connectors by corrosion. Some years are not available in reproduction, so those harnesses can be refurbished but without a guarantee.
•Miscellaneous Parts and Connectors: Looking for an unusual connector? We may have it in stock, so contact us to see if it is available and what the cost would be.
•Cougar Harnesses: Contact us with your Cougar needs.



How Long Does It Take: Typically, it takes one full day per underdash harness. We work only on weekend days and holidays. Harnesses are refurbished on a first-in basis. Depending upon how many orders have been received, turnaround time is typically one to two weekends. Upon receipt of the harness, we will e-mail you with an anticipated work schedule.












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Midlife went through my entire XR-7 harness a few years back. Did a great job. Also modified the coil wire to bypass the resistor wire.

Very happy with the service.

Also, it’s a lot easier to install a factory harness than make up a new one. You will save tons of time.

Gee…I’m late to the thread, I guess! Yup, that’s me. I try and be low key here on this forum and not push my services overtly.

With the exception of the alternator harness and engine gauge feed harnesses (which are reproduced and are often damaged beyond repair being in the engine compartment), I can pretty much refurbish everything else on the Cougar for less than the Painless. And…I offer a 2 year, no questions asked warranty/guaranty, even if you burn up your harness by mistake! What I don’t do, however, is refurbish the sequencer electronics/switches…only the wiring.

Do you have a stock tach and if so did it work after he modified the coil wires. And would he change the fuse panel from glass fuses the the new style?

I do not change the fuse panel from glass fuses; sorry.

I had my tach converted to 3 wire by Rocketman - http://www.rccinnovations.com

I also had him convert my AMP meter to VOLT and installed his Headlight relays. Next week I’ll be installing his horn relays.

If you compare the time and cost of putting in a painless harness and doing all the customization, you will quickly see how having Midlife restore your harness and adding a some modern upgrades and relays from Rcc you will end up spending less time and money to get an easier, factory looking and fully documented wiring harness.

I don’t know what Midlife charges but you can buy a brand new harness for the more popular Cougar years. Here’s one part of it:

https://www.ebay.com/itm/C24-1968-Mercury-Cougar-XR7-Dash-Panel-to-Headlight-Wiring-Harness-XR7/271128631293?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

I try not to hype my work and prices on forums, but I am typically 1/3 if not even lower, than the cost of reproduction wiring harnesses.

My website, http://midlifeharnesses.com has links to a pricing sheet.