Installing an AM CB in a Tdi Defender

**VladTepes** · 13th September 2006, 10:26 AM

I just got me a GME AM CB and 2 antennae for the bargain price of $40. So now I'm looking to install it.

I want to have it operate independently of the ignition, so I can use it with the key out.

Questions:

1) Where is the best place to hook up the power leads (tiny, aren't they !) and how would I go about it ? (I am completely inexperienced with electrical stuffs).

2) Does it matter if I mount the antennae on my bullbar directly beside either my UHF or car radio antenna ? Will it cause interference ?

Any other tips ?

**Rosco** · 13th September 2006, 11:01 AM

Don't know about the aerial but for the wiring, if you take off the fuse box cover (in front of the gear lever ...

) and poke around with a test lamp you'll find a wire or two that's still hot with the ignition off. A nice handy spot.

Cheers

**Tusker** · 13th September 2006, 11:18 AM

do a bit more homework first

are the aerials ground plane dependent or independent? Theres a good American site with some info. But can I find it? Edit - check the FAQs on www.firestik.com

To get it right you'll need an SWR meter. Not than dear from Dick smiths etc. If you don't the feedback at worst will wreck the unit, at best give poor performance.

Good earths on the aerial are essential too.

And yes other aerials will interfere. Space them as far apart as possible.

Regards
Max P

**waynep** · 13th September 2006, 11:49 AM

Best way to run power is always direct to the battery both +ve and neg, with a fuse in +ve near the battery. Use at least 4mm wire for that set.

Moderator should this go in the communications area ?

**VladTepes** · 13th September 2006, 04:14 PM

4mm wire ? The power cable that actually comes with it is TINY by comparison. And it can;t be changed coz it goes into the back of the unit... ?

**p38arover** · 13th September 2006, 04:25 PM

Originally Posted by VladTepes

4mm wire ? The power cable that actually comes with it is TINY by comparison. And it can;t be changed coz it goes into the back of the unit... ?

The length of the original cable that will be smaller in cross-sectional area than the new cable is not a problem. Don't you worry about it! (Qld speak

)

Ron

**VladTepes** · 14th September 2006, 04:05 PM

Originally Posted by Tusker

do a bit more homework first

are the aerials ground plane dependent or independent?

How can one tell ? There doesn't seem to be any model numbers etc on the antennae.

They both are labelled "LASER antenna. Made in Australia". While of different lengths, both alternate white and black portions (just the covering on them it would seem) but both have a narrow red band at the base. Does this mean something ?

**VladTepes** · 14th September 2006, 04:18 PM

Think I found them:

http://www.laser-antenna.com/display_product.php?id=228
No mention of a ground plance requirement

http://www.laser-antenna.com/display_product.php?id=6
requires a groud plane.

I suspect its the former but with such a small pic and NFD it's hard to know.

**VladTepes** · 19th September 2006, 10:43 AM

Originally Posted by VladTepes

How can one tell ? There doesn't seem to be any model numbers etc on the antennae.

They both are labelled "LASER antenna. Made in Australia". While of different lengths, both alternate white and black portions (just the covering on them it would seem) but both have a narrow red band at the base. Does this mean something ?

Bump !

anyone ?

**p38arover** · 19th September 2006, 11:27 AM

Red?

They're faster?

You might be best to call the manufacturer.

Ron

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