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ajps72



Member Since: 08 Jan 2012
Location: Lima Peru
Posts: 105

2001 Defender 110 Td5 SW Chawton White
Tapping the glowplug circuit
Hello everyone, please tell how bad is my idea or perhaps some alternative solution.

I want to have some circuits that will only turn ON after the car has started and everything is good to go. The circuits would be: AC compressor, additional battery charging relay, DRL, etc.

I was looking for a timer that could connect this extra circuits 10 to 20 seconds after the car has started, but they are difficult to find around here. Augusto

Defender 110 TD5 2001
Discovery 4 TDV6
Post #502416 8th Feb 2016 11:22pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1758

United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Voltage sensing relaybwoyld be my choice, its what I plan to use for my split charge. Only switches in once the alternator is charging.
Post #502470 9th Feb 2016 1:49am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16879

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
There's an 'engine running' signal available in the ipac (used inter alia in the heated windscreen circuit), alternatively you may be able to use the alternator output (which is in effect what a VSR does).

Edit - sorry, just noticed you have a TD5 not a Puma, so you probably don't have the Engine Running signal. Big Cry
Post #502483 9th Feb 2016 6:32am
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6480

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
The engine running signal from the Puma instrument pack is only really a software emulated version of the oil pressure warning lamp wire on pre-Puma Defenders.

Exactly he same heated front screen timer is used on Pumas and Td5s, the Td5 uses oil pressure wire to "enable" the timer, the Puma uses the engine running signal.

The oil pressure warning lamp wire could be used in conjunction with a 10-20 second timer unit and a relay to achieve what's wanted Smile  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #502542 9th Feb 2016 10:52am
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