Rapid flashing indicators

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aldy

Member
Posts
10
Location
gloucestershire
Hi

Defender 300tdi nearside indicators intermittent rapid flashing. Checked bulbs all okay could this be an earth problem and if so where should I look for an earth connection. Some have said rear offside behind wheel arch. Looking underneath wires seem to be located running along top of rear crossmember. Wires terminate in this corner and are concealed by a cover with strange fixing studs How do I get to remove to access the fixings.
Your thoughts would be appreciated
 
The indicators use a relay to flash which is governed by the resistance of the bulbs. Typically if 1 bulb isn't working the relay will speed up.
Usually the wires that run to the rear of the car terminate in the 'triangle' cover which is inside the rear tub on the offside, just insoide the rear door. The wires run from here across the rear X-member to the other side and up into another 'triangle'.
The rear lamp earths are inside these covers.
Sometimes you need 2 people to get the offside cover off as they have to hold the bolt whilst you undo the nut on the inside..
 
Having removed the corner panels at the rear end of the tub there are no earthing points visible. The odd thing is that whilst three of the indicator lamps are each individually earthed on the lamp fitting the off side rear lamp is the push on type with no earth, In replacing this lamp with an earthed lamp fitting there is no power to the bulb although the side front nearside lamp is fast flashing
 
Interesting.
Most cars I have seen have a screw onto the tub, inside the triangle to which all the earths are connected.
One comes up through the loom and the others from the lamps.
The power then crossed over (underneath), pops up into the other triangle and connects to the lamps.

The push in connectors have a live and earth (for the indicators) and 2 lives and 1 earth for the rear stop/side lamp.
I'd be tempted to find the earths, cut the wires (inside the triangle) and connect them all to a common earth stud.
 
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