wire ID

[Lil Lulu]

Working my pal's 74 California beetle. Only one wire from the engine harness I can't figure out. It's wrapped with the coil wire. I think it is white with dark stripe or yellow/green maybe. Not sure where it might go. Any idea?
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles

[Volks Wagen]

[Lil Lulu]

Yup been lookin' at that for 2 days. Diagram shows no wire that color entering the engine compartment so this is unhelpful.

The wires come from the firewall in a bundle split into two smaller bundles. One set goes across the engine to the alt. The other is composed of 3 wires: black (hot from ignition switch), blue/green (oil pressure switch), and this wire which is light with a darker stripe. Could be gray/black or white/black or white/green or yellow/black or yellow/green?
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles

[60ragtop]

post a pic but I'm gonna guess it is for the diagnostic port
_________________
Rick
Certified Mechanic by the State of Michigan in 1977
ASA certified in 1987
Certified Hunter Wheel Alignment Master Technician 1986

[Joel]

This ^
Sounds like the coil low tension diagnostic wire
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

[Lil Lulu]

I kinda thought it might be the old diag wire but the PO had a terminal on it. I found it to be in fact white with green stripe.

Couldn't find a white with green on the schematic. Green with white yes but not to the harness but to the test net from the coil.
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles

[Joel]

Notice on the coil neg with 13 in a circle, that corresponds with 13 in the diagnostic plug

_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

[Lil Lulu]

Thanks Joel. This is not the diagram for the 74 but I see it has a short stretch of W/G wire to that #13 and like you, I figured it could be the one to the test net. What causes me to question that is that it comes from the harness. I suppose the dippy PO could have re-purposed the wire. I've done that. There's all kinds of wires for who knows what just cut off and left floppin'. But it ran. Think this may have spent some time towed behind one of those rollin' roadblocks.

I'm a type 4 and early bug guy trying to help my friend here on a severely altered late model. Most of the wires into the engine compartment have been cut and extended with #16 white.
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles

[Joel]

The 74 Wiring shows the same thing its just most people understand the diagram easier than a schematic like the 73 onwards ones.

I repurposed that wire on mine too, I left it on the the coil neg for my tach signal wire.

It does originally come out of the main loom along with the coil power and oil light wires.

Don't you just love when they use all one colour.
you used to be able to get "engine fire" loom kits which run all new wires from where the loom comes in the side of the engine bay from the black hole, might be what this car needs or cut the loom from a junkyard car.
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

[Volks Wagen]

[mochito441]

Excuse my dumb question but what do the small numbers between the wires mean or what do they represent. Every wire has a small number example: .5 1.0 1.5 2.0 2.5 and notice the thicker wires with 4.0

[Eric&Barb]

[mochito441]

Thanks for the reply...spent at least an hour trying to figure it out.

[Eric&Barb]