yah its true they do use duct tape...when i installed an alarm in my friends 91 cadillac brougham everything was taped up and all the wires from everything came together and made one big rope and it was all duct taped together....one of the worst ways to wire the car and get to wires but oh well. i use 3M electrical tape or heat shrink to make my connections. works like a charm. it really does make a difference when you use cheap electrical tape, it doesnt stretch as good or stick as well.

On a side note, good electrical tape is shrinkable with a heat gun. Wrap it nice and tight, give it a quick shot with a heat gun and yer bullet proof. I recommend electric, like a really good hair dryer. I do NOT recommend using the wife'*. It makes her mad...

You call it duct tape...I call it factory electrical tape.. hehehe

I know the stuff your talking about though. I've only seen stuff glued down with that..not spliced.

I have bee corrected. Go play with ur duct tape. But when you are stuck together and can't move in a big gooey mess.....call someone else.

Best electrical tape 3M

700 is about $2 per
Super 33 is about $4 per
Super 60 is about $5 per
Super 90 is about $7 per

All of these are available at Home Depot or some at Walmart

For most jobs I use the 700 or a combination of 700 & Super 33.
Any electrical tape is only as good as the taping job.
Cheap tape won't cut it. Even 3M'* 100 series is garbage at $1 per roll. When I used to work for Future Shop we use to buy the stuff in 10 roll paks and end up throwing out 4 to 5 rolls, cause the glue was done just after opening.
Good electrical tape like listed above, you should be able to smell the glue and the more expensive the it is the stronger the glue and the smell.

As far as the Duct tape in cars........you will see all diferent types of tape from Factory most commonly Hockey tape, used to protect the wire coating and used to conceal (commonly used in Chrysler or Dodge). Also Black Duct tape usually used to cover crimped connections instead of electrical tape (most common in Fords).

Personally I wouldn't use duct tape unless it was to finish off the job and make it look like factory by matching there choice of tape, over top of electrical tape.

Dutch
310K Licensed Accessory Tech & Installer
MECP First Class Certified