94 Defender NAS Fuel pump relay - Defender Source
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  #1  
Old April 10th, 2017, 09:49 AM
Ian C
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Ian Cattermole
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94 Defender NAS Fuel pump relay

Where is the 'Fuel pump relay' located on my '94 NAS Defender? Also the Inertia switch. Many thxs, Ian
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  #2  
Old April 10th, 2017, 10:47 PM
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Fuel pump relay is a silver relay in the passenger side footwell near the ECU.

Inertia switch is a plunger looking black thing which IIRC is under the hood on the firewall.
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Old April 10th, 2017, 11:04 PM
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Tyler
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Anybody know where to buy the metal silver fuel pump relays? Nobody seems to have them

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  #4  
Old April 10th, 2017, 11:25 PM
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Kevin Keith
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Genuin relay will have a red slash on top.

There's a Mercedes relay that works IIRC... Napa relay AR-274.
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  #5  
Old April 11th, 2017, 12:42 AM
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Bill Campbell
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I thought the inertia switch was the black plunger on the top middle left of the fuse bank. Is that incorrect?
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  #6  
Old April 11th, 2017, 01:33 AM
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Chris
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Quote:
Originally Posted by wcampbel@nas.edu View Post
I thought the inertia switch was the black plunger on the top middle left of the fuse bank. Is that incorrect?
On my '97 NAS, the inertial switch is near the middle of the bulkhead/firewall... close to the air filter canister. Well, at least that is where a switch that looks exactly like the inertia switch is located.
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Old April 11th, 2017, 07:24 AM
Ian C
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Thank you for confirmation on the Relay - I will remove the passenger dash tonight. I certainly don't see the inertia switch on the fire wall (like I do on my '95 Disco), so will investigate the fuse box recommendation - I assume this is the fuse box in the center of the dash? Thxs Ian
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Old April 11th, 2017, 07:35 AM
Ian C
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What does 11RC mean? (Sorry I'm still new!)
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  #9  
Old April 11th, 2017, 07:42 AM
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'94 inertia switch is on the driver's side of the fuse block in the cabin.

IIRC= if I recall correctly
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Old April 19th, 2017, 09:05 AM
Ian C
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Thxs everyone - I found the inertia switch and eventually got to the fuel pump relay - what a joy that was! Relay was bad, truck is now running!! Hurray. (Note to self: Don't give up on checking the relay next time, just because you can't find it and spend a whole day changing the pump, just because you know where it is!).

------ Follow up post added April 19th, 2017 09:10 AM ------

Another couple of questions, while the Dash is still pulled out:
1 What is the other relay to? (next to the Fuel pump relay). I figure I might as well replace that one too while it's exposed and wondered what it's to.
2) There is a spot for a third relay (it's nearest the driver side) but with NO relay in it! Is this normal?

Thxs, Ian
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  #11  
Old April 21st, 2017, 07:10 AM
Ian C
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Ian Cattermole
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In answer to my own post (for the benefit of others), the relay next to the Fuel pump relay is the ECU relay. The empty spot for a 'third' relay is correct to be empty for the US spec vehicles.
Thxs, Ian
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