new electric kit...harness preserver....anyone know anything

[Bullitt-]

Just saw this & wondered if anyone could shed some light on what they are selling.. looks like a bypass wire as we have discussed here many times + a relay ...for what purpose?

http://moparsbycrane.com/page/mhm5/New_Parts.html

NEW, NEW PARTS: Harness Preserver* Wiring Kits- now available for A, B & E Body Mopars:

WHY DO I NEED A HARNESS PRESERVER?

FIRST REASON:

Protects engine & instrument harnesses from melting due to high current (especially bulkhead connectors)
Provides the full alternator output to the battery & aftermarket accessories connected directly to the battery and starter relay.
SECOND REASON:

Protects the ignition switch & wiring from burning out due to alternator field current demands
Provides full current to the regulator & alternator field- full alternator output is ensured.
The new Harness Preserver will reduce the electrical stress on your stock engine harness. When the cars were new, alternator output was either 37 or 45 amperes. Whether you have had your alternator rebuilt (most rebuild kits are now at least 59 ampere output) or replaced your alternator with a higher output one, there is now more current trying to go through a harness that was not designed to handle it. If you have added high current draw accessories such as an electric fan, high wattage audio equipment or aftermarket ignition, the Harness Preserver will ensure the full alternator output is available to power them.

As seen in the Mopar magazines.   
Stock & Upgrade Kits Available
Alternator Cable Kits for 1 Wire Alternator Applications
Custom Harness Preserver kits available- call (941) 322-1121
Harness Preserver Standard kits @ $69.00
Upgrade kits @ $99.00
Alternator Cables starting @ $39.00
Order online (see catalog link on left side of page) or call (941) 322-1121

[BruteForce]

Looks like a high price for a relay, socket, fuse and a wire.

[Rare_T_A]

            I couldn't agree more. There's not more than $20 in materials there.

[Bullitt-]

  True enough..I'm just wondering how that relay is utilized... maybe as a ignition bypass?

[GoodysGotaCuda]

Another "no clue why the relay is there" member lol.

[BruteForce]

I've got a relay in for the electric fuel pump, and plan on two more for the headlights (low & high beam circuits). I plan on bypassing the ammeter, and using a voltmeter instead. I still don't know what the bypass relay might be good for.

[Chryco Psycho]

it will remove th eload from the ign switch & the weak plug connection at the bottom of the column

[BruteForce]

That makes sense. I hadn't considered that the ignition switch itself was overloaded.

[Bullitt-]

I suppose any & everything could be converted to relays,I could see the headlights, but how much load is created by any given component?

[BruteForce]

I suppose any & everything could be converted to relays,I could see the headlights, but how much load is created by any given component?

It varies all over the place. Some ways to tell:

• The specs for the component will usually give the peak and normal amperage.
• Look at the fuse rating upstream of the component, or perhaps the instructions for the component give the fuse size to use.
• Look at the wire size going to the component. If it's 12 gauge or larger, it's sucking lots of amps.
• If the headlights dim when you turn it on, it's sucking lots of amps.
• If your headlights dim with the bass beat, you've got an undersized system.
• The most reliable way is to check it with an ammeter.