That relay is clicking because there is not enough voltage to keep it powered. Check everything 5 or 10 times...you'd be suprised what you might miss. It has to be in the cables/connections, if it was that particular relay causing the problem, you would hear nothing at all.
New Toy- Stone stock '88 T-bird Sport in need of some TLC
1988 Cougar XR-7- HO/T-5 conversion, cracked block prevented from reaching full potential.
RIP '88 T-Bird....firstname.lastname@example.org...best sleeper in So. Jersey, now it's taking a permanent dirt nap.