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Power antenna electrics


TomoHawk

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In a way, it is a custom switch, since it's not an oem switch; just one I got from the electronics store. I have an automatic mirror too, and I was looking athe controls on it to see how to use the Datsun switch to control it in the same way as the Datsun antenna.

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  • 2 months later...
What happened to your switch? was it removed and a manual intenna installed?

thx

I don't know, I assume since Enrique said they were mounted on the radio, it must have been on the stock radio when it was pulled out and that's why it's gone like Enrique said. Other wise, if the switch was not mounted on the radio, I haven't any idea where else the switch would be because I have never noticed any other switches in the car that did anything like that. Until now, I just assumed mine was broken and these antennas where fully automatic and came up whenever you turned the radio on, so this is new to me. The oem antenna is still in place and hooked up, I just manually pulled it up so far so I could get some reseption. I actually have a spare oem antenna that I pulled off our 260z parts car that appears to be in great shape too.

EDIT: After doing some research, I found one on Ebay, and there what do you know, there's the switch on the right side of the radio. Just love learning new stuff like that about my car and Z cars in general!

c1b81wm4.jpg

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Austen:

Most (if not all) modern radios (meaning post-1980 or so) had a lead that actuated a FULLY Automatic antenna when the radio was turned on. This lead was typically a blue wire that in turn connected to a blue wire coming from the antenna.

Take note however, that the combination requires a FULLY Automatic antenna. The OEM Antenna was termed a Semi-Automatic Antenna in the Stereo Industry (back in the 70's and early 80's) because while it was a POWERED antenna, it still required manual actuation (i.e. via a switch). Additionally, you also control how far up or down you extend it, whereas with a Fully Automatic it goes ALL the way up or all the way down.

I'm not sure, but that you could "just manually pull(ed) it up" makes me wonder if the motor and/or the nylon lead are still attached to the mast. It's not normally easy to pull up on the mast tip. Get power to the antenna and hopefully it will operate properly.

Be aware that until later in the Z series, the radios were Monaural and not Stereo. That's why so many owners quickly replaced their OEM car radios with more sophisticated units that in turn, caused various modifications to be made to the car. Speakers in the door panels, additional speakers in the rear, antenna changes, cutting out part of the Heater Control Panel, are just the most obvious and prevalent.

FWIW

E

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I'm not sure, but that you could "just manually pull(ed) it up" makes me wonder if the motor and/or the nylon lead are still attached to the mast.

Thanks for the info!

What I did to get the antenna up was just take some plyers and pull it up, I couldn't get it to go up with just my hands.

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What I did to get the antenna up was just take some plyers and pull it up, I couldn't get it to go up with just my hands.

In which case you probably ruined an original antenna that your previous owner couldn't get to operate with the aftermarket radio. I'll bet the three contact plug for the antenna is still behind your console in which case all you would have had to do is plug in the correct switch and it would have worked. After pulling it up with pliers, however, I think it's done.

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In which case you probably ruined an original antenna that your previous owner couldn't get to operate with the aftermarket radio. I'll bet the three contact plug for the antenna is still behind your console in which case all you would have had to do is plug in the correct switch and it would have worked. After pulling it up with pliers, however, I think it's done.

Sorry for the long reply, apparently I fogot to check back.

We're having some electrical work done on it,and they're going to see if they can wire it so it will come up with when the radio is turned off and on. If the antenna is ruined, I can put in the spare that I have--

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If you wire it up like Gary said ( for an automatic antenna), you'll only need a toggle switch to put it up & down. So after you switch on the radio, a quick flip of the antenna switch puts it up. Personally, I don't see a reason to wear out the antenna motor & mast having it go up & down all that much. I only put mine down for the car wash, or when the cover goes on. Sometimes on the highway or in certain parking lots.

thx

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Thanks for the info, if their able to do it, they will probably have to put a toggle switch in that spot next to the hazard switch. Like you said, it's really not that big of a deal to have it go up and down, the way I've got it now is up and seems to get a pretty good reseption, so it's not that big of a deal if it's not opperational. Although can be nice in the garage so you don't poke your eye out on accident while walking by it or washing it.:ermm:

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To make things less noticeable, you might want to look into a small rocker switch instead of a toggle switch. They are practically flush with very little showing. Radio Shack should have one. Paint it black and people might not even notice it.

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To make things less noticeable, you might want to look into a small rocker switch instead of a toggle switch. They are practically flush with very little showing. Radio Shack should have one. Paint it black and people might not even notice it.

Thanks, I was thinking that same thing. I would want it to look pretty much the same as the hazard and re-defogger switch. I'm trying to keep the look stock as much as possible, so I would want something that really would blend.

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Thanks, I was thinking that same thing. I would want it to look pretty much the same as the hazard and re-defogger switch. I'm trying to keep the look stock as much as possible, so I would want something that really would blend.

Give an old OEM switch a new life-you could even paint up the back lit marker-factory parts look factory even with a new use...

WIll

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That's the one.

The bottom one (blue) is the 12V supply, and the other two (red & white stripe) are the up & down (280Z FSM page BE-74 - 77.) I forget which is which. Make sure the key is on before hitting the switch. FYI, the connector on the antenna itself will fit that, in case you have to. Try to get a dead antenna off ebay cheap, like I did. Then clip the connector, and put a SPDT monentary switch on it.

I might have one more connector.

thx

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I didn't want to add to this thread until I did a little research. Nissan/Datsun made an antenna switch to use if you replaced the original radio but still wanted to use the original antenna. It goes in the the large slot where the wide blanking plate is below the radio. I couldn't find a part number to check the availability but then I saw in in an eBay auction. Someone actually paid an eBay seller $167.50 for one of these! I won't link to the auction but I don't have a problem leeching his pictures. They are still available through www.nissanparts.cc for $9.12 plus shipping and they plug right into the harness. 99993-00370. That is one of my pet peeves about the Datsun hobby.

2u903ll.jpg2v3k4ms.jpg

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Wow! Three pages on antenna electrics! Who woul've guessed!

I am still a little unclear, though on my particular situation.

It looks like the P.O. replaced the original radio (12/70, 1971 240Z) when the F.M. stereo version became available and the antenna switch was relocated to the glovebox.

When I have a modern head unit installed and keep my original antenna (assuming it still works) I want to wire the MODERN antenna power wire (from the head unit) to the Power terminal on the OLD switch, and all three wires from the switch to the antenna and it should operate as it did originally? For example: Turn radio on (nothing happens to antenna) push switch to up (antenna goes up) push switch down (antenna goes down).

Am I understanding correctly?

I am going from memory here on the wires as The Z is still in storage.

Regards,

Astrohog

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To anwer atrohog's question as it was posed: Yes, that would work since all you'd be doing is replacing the original power wire with the one from your stereo. Don't do your usual job of making simple things seem complicated, Tomo, please.

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