Front-wire harness question - Chevelle Tech
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post #1 of 6 (permalink) Old May 11th, 05, 10:19 PM Thread Starter
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Front-wire harness question

I'm doing the engine compartment of my 64 SS and have decided to replace the old front-wire harness. For you that have ordered that harness from M&H, does it come with the sockets for the parking lamps? Also, the car has idiot lights, but a set of Autometer gauges. I'd like to pick up an original gauge cluster at some point. Since the idiot lights aren't connected should I get a gauge or idiot light wiring harness. I suspect that someone that owned the car before me replaced the gauge cluster with idiot lights and couldn't hook it up so installed the gauge cluster.

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post #2 of 6 (permalink) Old May 11th, 05, 10:37 PM
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Re: Front-wire harness question

I was under the impression that all 64 SS's came with the guage package. maybe someone put a Malibu instrument cluster in at some point cause they couldn't get the guages to work.

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post #3 of 6 (permalink) Old May 14th, 05, 10:04 PM
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Question Re: Front-wire harness question

Painless Wiring has a new engine compartment harness listed(part#21001), It doesn't rerally say what it's for or replaces. I just purchased the 18 circuit harness (part#20102) for my 69 Chevelle 396. Is this other harness (#21001) something I'll also need to purchase? Any help would be great. Thanks Dusty
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post #4 of 6 (permalink) Old May 14th, 05, 11:19 PM
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Re: Front-wire harness question

The number of pins in the guage harness and idiot light harness are different ( at firewall). I ordered my light and engine harness for my 65 through NPD.Theirs came with all sockets and ends, ready to plug in. I also thought all SS cars came with the guage package. But, over the years, it's hard to tell who did what to the cars.I'm sure the dash harness will need to match the light harness as in the number of pins.

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post #5 of 6 (permalink) Old May 15th, 05, 9:17 PM Thread Starter
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Re: Front-wire harness question

Anyone know how many pins there are for a guage harness and for a warning light harness at the firewall? I'm still trying to figure out what to order. Also, Painless or M&H?


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post #6 of 6 (permalink) Old May 16th, 05, 12:08 AM
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Re: Front-wire harness question


There are two harnesses under the hood. One is the forward lamp harness and the other is the engine harness. The forward lamp harness has ten pins or connections. An indicating light cluster has wires in eight, the bottom two are not used. A full gauge cluster has wires all ten, the bottom two are used for the amp gauge. The engine harness also has ten, seven are used with a light cluster six with full gauges. The blue wire for the oil pressure switch is not used with the gauge cluster.

M&H will supply a direct replacement for the factory harness. If your dash harness is for full gauge and you plan on adding a gauge cluster then you want M&H #05740 (Forward lamp harness, All with gauges), and # 05735 (Engine harness, V8 with gauges). The M&H harnesses are relatively easy to install.

Painless is a complete, bumper to bumper, harness. For about the same amount of money you will spend for the two under hood harnesses you can get a complete Painless harness. The painless harness is more difficult to install.

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