I purchased a PIAA sports horn kit a few years ago and finally am getting around to hooking them up.
On my '98 S70 when you open the hood, there are two stock horns with one factory plug going into each.
In the installation booklet that came with the PIAA horns, it says to "Cut off the factory plugs and crimp on an insulated
1/4" female blade connector to each factory positive (+) wire. I really don't like cutting factory harnesses of any kind so
my question, is there any way I can avoid doing this? The plug on the O.E. horns is pretty big.
The PIAA horns have two male terminals coming out of them, one for positive and one for ground.
PIAA included two ground wires in the kit with a female blade on one end and a lug for a grounding screw on the other.
P.S. I can barely see whjat I am doing with that big black plastic cowling in the area. Not sure if it is worth trying to remove that for clearance.
0
Horn Swap Out
Started by Mr. Detail, Oct 25 2011 04:30 PM
11 replies to this topic
#1
Mr. Detail
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Posted 25 October 2011 - 04:30 PM
#2
'12brotruckmofo
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Posted 25 October 2011 - 05:36 PM
If you're not willing to cut the factory plugs off, I don't know if there's any way for us to help you.
Buy new horns from Volvo?
Buy new horns from Volvo?
#3
Aequitas_Veritas
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Posted 25 October 2011 - 05:38 PM
your only solution would be finding a plug that the OEM plug fits onto and using the wires off of that to go to the PIAA ones.
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#4
db130
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Posted 25 October 2011 - 05:57 PM
http://www.bmotorspo...products_id/583
bam! not only are they good for delco BCS, they are also good for horn installs.
bam! not only are they good for delco BCS, they are also good for horn installs.
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1998 S70 T5, 223k DIY AEM BCS/IPD Stage 1 ECU
Check out the Delco BCS/TCV
1998 S70 T5, 135k '00R 302s/Delco TCV/IPD 3" Turboback(taken off the road)
1998 S70 T5, 223k DIY AEM BCS/IPD Stage 1 ECU
Check out the Delco BCS/TCV
#5
Mr. Detail
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Posted 25 October 2011 - 05:58 PM
Can I assume correctly that the OEM plug has both positive & negative wires in the bundle?
#6
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Posted 29 October 2011 - 06:29 AM
Mr. Detail, on 25 October 2011 - 05:58 PM, said:
Can I assume correctly that the OEM plug has both positive & negative wires in the bundle?
1 wire is hot the other is the return. The horns don't reach ground till the horn switch is depressed.
I forget which one is which. I had to tap into one for powering my air horn solenoid.
98' S70GLT 228K miles ... still on original Turbo
#7
the most modern GLT
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Posted 06 November 2011 - 01:32 PM
im guessing you can have negative grounded from horn... then touch each lead from factory harness (with positive from new horn) and when the horn goes off then thats the positive but then your negative has to go back into harness. you cant ground everything...
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#8
bergmjs
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Posted 06 November 2011 - 03:27 PM
You could just tap splice off the harness and put your blade connectors onto the splice.
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#9
johnloves850's
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Posted 11 November 2011 - 03:02 PM
If I am reading your question correctly, what I would do is go to a junkyard and cut off the wires you need with the connector.
This way your horns will be plug and play, and you can then swap factory horns back in whenever you need to.
This way your horns will be plug and play, and you can then swap factory horns back in whenever you need to.
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#10
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Posted 15 November 2011 - 01:23 AM
but the wires he cuts will be the same end that his horn cable has outgoing
1998 Volvo S70 GLT- V70R ECU, Snabb High Flow Intake, Snabb Silicone Idle Control, 8mm Kingsborne Wires, OBX Strut Bar, FCP Silicone Inter Cooler Hoses,Silicone Turbo Hoses, ABM Projectors 6000k Low 5000k High
1999 Volvo V70 XC- Rebuilding as we speak...
1999 Volvo V70 XC- Rebuilding as we speak...
#11
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Posted 15 November 2011 - 07:02 AM
That's why he mentioned the ones you need. Meaning the ends of the stock horns.
98' S70GLT 228K miles ... still on original Turbo
#12
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Posted 27 November 2011 - 08:59 PM
i just put hella supertones inand i found that the plugs from the coolant level sender off the 850 are the same plugss.
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