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#86978 03/27/2005 6:38 PM
Joined: Oct 2000
Posts: 244
B
'Bolter
'Bolter
B Offline
Joined: Oct 2000
Posts: 244
Does anyone know of a way to test a Flasher outside of the car to see if it is good. I'm attempting to wire my 1953 GMC with a 7 wire signal flasher and want to test the flasher unit to make sure the one I have is still good.

#86979 03/27/2005 6:47 PM
Joined: Apr 2002
Posts: 1,571
G
Shop Shark
Shop Shark
G Offline
Joined: Apr 2002
Posts: 1,571
Is it 12v? If so, just buy a new one and replace. They're cheap, and at worst, you have a spare for when it does burn out.


Get a REAL truck, get a GMC! www.oldgmctrucks.com
1954 GMC De Luxe COE
#86980 03/27/2005 8:45 PM
Joined: Oct 2000
Posts: 244
B
'Bolter
'Bolter
B Offline
Joined: Oct 2000
Posts: 244
Oops! I forgot to mention that it is a 3 prong flasher marked with "X", "L", and "P" terminals.

#86981 03/27/2005 10:42 PM
Joined: Jun 2004
Posts: 8,597
W
Riding in the Passing Lane
Riding in the Passing Lane
W Offline
Joined: Jun 2004
Posts: 8,597
X is the hot lead. L goes to the light. You may need more load than just a test light. P is the pilot if you use only one indicator for both sides. smile


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum
#86982 03/27/2005 11:04 PM
Joined: Feb 2004
Posts: 29,771
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
H Offline
Joined: Feb 2004
Posts: 29,771
Use a 12 volt sealed beam headlight as a load, and apply power to the X terminal. The P terminal doesn't necessarily need a pilot light attached, it will flash with or without that one connected. 3-terminal flashers are hopelessly out of date. Just get a heavy-duty 2-pin flasher and it will flash up to 6 lights in parallel.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
#86983 03/27/2005 11:32 PM
Joined: Mar 2001
Posts: 629
S
'Bolter
'Bolter
S Offline
Joined: Mar 2001
Posts: 629
put a good looking woman in front of him.


Tim Sheridan
1947 First Series Chevy 1/2-Ton
"Liberty Series" - "Art Deco" - Whatever you'd like to call it.
In the Gallery
#86984 03/27/2005 11:41 PM
Joined: Oct 2000
Posts: 244
B
'Bolter
'Bolter
B Offline
Joined: Oct 2000
Posts: 244
HotRod,

The wiring diagram that came with the turn signal unit showed a flasher with 3 prongs. How would I wire it with only a 2 prong flasher ... any tricks? This is a 7 wire turn signal unit 12 volt.

#86985 03/28/2005 4:06 AM
Joined: Feb 2004
Posts: 29,771
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
H Offline
Joined: Feb 2004
Posts: 29,771
Does it have the indicator bulb on the end of the signal stalk? If so, the wire that goes to the indicator gets wired to both sides of the output, with diodes to keep the signal from backing up to the opposite side than is selected. If you've got the arrow-shaped indicator lights on both sides of the dash, just wire them into the front turn signal circuit, so they don't come on with the brake lights. In that case, don't connect the bulb in the stalk to anything.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
#86986 03/29/2005 6:15 AM
Joined: May 2000
Posts: 69
T
Wrench Fetcher
Wrench Fetcher
T Offline
Joined: May 2000
Posts: 69
I posted this some time ago:

This is for the Chieftain 7 wire turn signals.

Yellow to left front turn signal.
Green to right front turn signal
Brown to right rear turn signal
Orange to left rear turn signal

There are two posts on the brake/stoplight switch. One is "hot". The other is not. Red wire from turn signal switch goes to the brake switch post that is not hot.

You should be left with a black and a blue wire. If your flasher is 2 pole, twist the black wire and blue wire together, and fasten both to the post marked "L".
If your flasher is three-pole, fasten the black wire to "L", the blue wire to to "P". Whether you have a 2 pole or 3 pole flasher, fasten your hot wire from the ignition to the flasher pole marked "X"

#86987 03/29/2005 8:38 PM
Joined: Oct 2000
Posts: 244
B
'Bolter
'Bolter
B Offline
Joined: Oct 2000
Posts: 244
Thanks for all the great information. I'll work on it this weekend and let you know how well it goes.

#86988 04/02/2005 12:57 AM
Joined: Jan 2005
Posts: 95
R
Member
Member
R Offline
Joined: Jan 2005
Posts: 95
Texaholic, Thanks for the directions for the Chieftan turn signal switch. I finally got it wired tonight. Whoopeee!! Lights at last!!


Moderated by  Jon G, Rusty Rod 

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